Kuroto Dan

"Grade (Level Number)."

- Genm's pre-Level up transformation catchphrase.

Kuroto Dan (檀 黎斗) is the 30-year old CEO of Genm Corp. He is also the true identity of Kamen Rider Genm (仮面ライダーゲンム), also colloquially known as the Black Ex-Aid (黒いエグゼイド). He is also the host of the Level 30 Charlie Bugster.

As a Teenager
16 years ago, Kuroto was a developer for his father's company, Gemn Corp. Kuroto was extremely talented that many of his games were bestsellers and masterpieces. One day he received fan mail from Emu Hojo, suggesting ideas for a new game. Impressed but angered, Kuroto could not believe someone else would be as talented as him. So he created that game known as Mighty Action C and sent it to Emu. Emu would play it and be infected with the Bugster virus.

As CEO of Genm Corp.
Kuroto has been CEO of Genm Corp. for at least five years. He was present during the beginning of Zero Day, when the Bugster emerged from the glitches in ten of the games his company was developing on his desktop. Working with the Ministry of Health, Kuroto helped design the Gashats and Gamer Driver as a countermeasure to the Bugster, managing to keep Zero Day hidden from the public eye.

During Zero Day, Kuroto assigned the CR Radiologist at that time, Taiga Hanaya, to become the first Doctor rider, giving him the Proto Bang Bang Shooting Gashat and also a Gamer Driver. However, upon his defeat to Graphite, Taiga left CR, and left his Gashat and Gamer Driver as well.

Two years later Kuroto was confronted by Kiriya Kujo, a coroner who had found out about Zero Day. Kiriya was given a Gamer Driver and the Bakusou Bike Gashat in exchange for his silence.

Second Bugster Outbreak
Five years after Zero Day, Genm Corp. had finally completed one of the ten games, Mighty Action X. At the press release, the Salty Bugster emerged from Sota Suyama. The Bugster was defeated by Kamen Rider Ex-Aid.

Soon after the incident, Kuroto met with Kyotaro Hinata. Hinata thanked Kuroto for providing the Driver and Gashats. Kuroto responded humbly before asking how the incident was covered up. Sometime later, Kuroto appeared as Genm to interrupt Ex-Aid and Brave's fight against Aranbura. He attacked the two riders, allowing the Bugster virus to escape. After the incident, he was approached by Taiga Hanaya, who had been the rider during the first outbreak. After receiving large piles of cash, Kuroto gave Taiga a new Driver, along with the Bang Bang Shooting Gashat.

Kuroto was confronted by Hiiro Kagami soon after CR learned that Taiga was a Rider again. Kuroto acknowledged the incident that cost Taiga his medical license, but defended his decision, saying that Taiga was both compatible and capable.

Kuroto came to CR later to apologize, claiming that he underestimated Taiga and didn't predict the latter would take Emu's Gashat. He assured Hiiro that there would be more Gashats ready within a few days. He interrupted Brave and Snipe's fight as Genm, depleting their Rider Gauges. After Ex-Aid and Lazer defeated the Motors Bugster, he finished the monster off to prevent Lazer from getting a sample to study. Using the Shakariki Sports Gashat, he upgraded to Sports Action Gamer Level 3, taking out Ex-Aid and Lazer with one move.

Encountering Ghost
Without speaking a word, he arrives already transformed into Action Gamer Level 2 as Deep Specter and Necrom are fighting a group of Gamma Commandos and Superiors. He joins in fighting the Gamma, summoning his bike with the Shakariki Sports Gashat before performing a Critical Strike finisher to clear away the Gamma, immediately riding away.

For unknown reasons, he stands holding the Shakariki Sports Gashat while looking upon the city during a lightning storm. Later, he triggers the Gashat and a purple Game Area expands from him, but it and the Gashat are pulled into a Gamma Hole resembling a Great Eye interface. When Ayumu steps out holding the Gashat, Genm tries taking it back, but is interrupted by Makoto and Alain, recognizing him from earlier. He fights Specter and Necrom using the Gashacon Bugvisor, disappearing when they counter with the Gan Gun Hand and Catcher.

The sketch Ayumu drew of Genm later leads Ghost to mistakenly attack the near-identical Ex-Aid when the Rider tries saving Ayumu from a group of Bugster Viruses and retrieve the Shakiriki Sports Gashat, but a sudden attack by Genm shows Ghost his mistake. The attack knocked away the Gashat, which he takes back before fading into thin air.

Genm's True Identity
Dan calls Poppi Pipopapo and informs her that the newly-developed Gashats have all stolen by a hooded man. Dan also secretly informs Taiga and Kiriya, giving them the special stethoscope. Dan is later seen on Robots Collabos location, already transformed as Genm Action Gamer Level 2 before changing into Sports Action Gamer Level 3. Thanks to his interference, Robots Collabos is able to flee. He himself also successfully vanished.

Dan is later seen in CR and gives a proper welcome to Emu. He asks Emu if he knows who Genm really is, and Asuna claims that the thief is Genm. After witnessing Emu quarreling with Hiiro, Dan gives chase to Emu, who fled to a helipad. There, Dan tried to comfort Emu by saying that it's only natural for a doctor to have a desire to save the patient. But, he agreed with Hiiro, since the man is responsible for the stolen Gashat. He then compares Emu to a crystal, that once shattered by a malicious patient, it won't able to shine ever again. However, Emu still persisted with his idealism and left, stating that he'll regret the day he can't save a patient, much to Dan's astonishment.

Deciding to teach Emu a lesson, Dan transformed into Genm Sports Action Gamer Level 3 and with Robots Collabos, they able to beat Brave Quest Gamer Level 2 and Lazer Bike Gamer Level 1. The thief soon joins as Emu asking Genm why did he attack the doctors, he states that he might refer to the thief. The thief later turns out to be Graphite, and this enrages Snipe as they collide with each other, ended in Snipe's defeat.

Genm soon provokes Emu that his idealism didn't work on a real battlefield, and also survival for the fittest. Finally, Emu snapped and transformed into Ex-Aid Action Gamer Level 2. Ex-Aid successfully beat Robots Collabos using Mighty Critical Finish and claims the Gekitotsu Robots Gashat in the process. Ex-Aid then changed into Robot Action Gamer Level 3 and successfully beat Genm using Gekitotsu Critical Strike. Genm then retreats, while Ex-Aid roared in rage.

As Dan staggers, he reverts to Action Gamer Level 2. Dan cancels his transformation and covers his face. Graphite asked if he was afraid of Emu. Dan then shows a psychotic smile as he said that only his genius is the one thing who he feared. Parad then christened Dan as Kamen Rider Genm, as Dan showed an evil grin.

Collecting data for the Ultimate Game
As the Beat Collabos Bugster is fighting Ex-Aid and Brave, Graphite enters to try and defeat the Riders. Dan, who is watching from afar chooses to transform into Genm for the first time on screen and tells Graphite to retreat with the Bugster, which Graphite begrudgingly does, after which Dan himself proceeds to escape.

As Emu and Hiiro extract the Collabos Bugsters from Yoshio Okada, Dan intervenes and fights off both Emu and Hiiro as Sports Gamer Level 3, allowing the Bugsters to escape. When Hiiro later tries fighting the Chambara Collabos Bugster, Dan steps in again and fights Brave Quest Gamer Level 2 which gives Emu and Kiriya enough time to obtain the Giri Giri Chambara Gashat. Dan then fights Kiriya as the now Chambara Bike Gamer Level 3 after having his identity exposed. After some fighting, Dan is defeated by Lazer's Giri Giri Critical Finish, but Parad appears and creates a protective barrier to allow Dan to escape and fool Emu and Hiiro by pretending to have been the Black Ex-Aid. When Parad later comes to give Dan back his Gamer Driver and Proto-Mighty Action X Gashat, Dan concludes that no one will ever believe Kiriya now.

While sitting in his office, Parad warns Dan that while the Proto Gashats have great potential, prolonged use will damage his body. A moment later, Dan receives a call from Kiriya Kujo. The next day, Dan confronts Kiriya under a bridge, denying he knows anything about Parad before the two proceed to fight as Genm Sports Action Gamer Level 3 and Lazer Chambara Bike Gamer Level 3 respectively. The two are evenly matched and even after colliding with their respective Critical Finishers, do not revert to human form. When Kiriya questions why Dan helps the Bugster, Dan says that he does it to figure out why the Bugsters came into their world and developed the Gamer Drivers and Rider Gashats to help doing so. Dan then brings up the fact that to use the Gamer Drivers, one had to undergo a compatibility surgery, and like Kiriya, had done so to become a Kamen Rider. When Kiriya questioned why Dan is mentioning this now, Dan proceeds to hint to Kiriya that one of the Kamen Riders has not received the compatibility surgery, which Kiriya quickly identifies as Emu Hojo.

Genm Identity Revelation
After revealing himself to the other Riders, Dan revealed that there was a large amount of people infected with the Bugster virus, pointing out that no-one knows when a break-out might happen. He then challenges the other Riders to save those people with the ten Gashats, saying that it was up to them whether they will be saved or not before shooting at them with the Gashacon Bugvisor to make his escape. Upon escaping, Dan examined the new Gashat he had created: Dangerous Zombie.

Killing Lazer
"I am...Kamen Rider Genm...Level 10."

- Genm's introduction when he first transformed into Zombie Gamer Level X.

"I'll bury you and the truth in the darkness."

- Genm before killing Lazer

Soon after this incident, Dan learned that Kiriya had interrogated his father and was planning to inform the other Riders of his findings. Dan found Kiriya before the others arrived to confirm the latter's findings. Deciding that Kiriya knew too much, Dan tricked him into taking the Dangerous Zombie Gashat, pretending to offer it in exchange for Kiriya's silence. Once Lazer was weakened within inches of his life after trying to use Dangerous Zombie, Dan took the Gashat back and used it to become Genm Zombie Gamer Level X. With the massive advantage, Genm stole the Giri Giri Chanbara Gashat and mortally wounded Lazer, seconds before CR and Snipe arrived.

The Truth Behind Emu's Game Disease
"Emu Hojo!!! How are you able to transform into Ex-Aid...without undergoing the compatibility surgery? How are you able to create Gashats?! Why does your head hurt after transforming?! There is only one answer. Emu Hojo! You are Patient Zero...the very first person in the world...to be infected by the Bugster virus!"

- Kuroto Dan exposing the reason behind Emu's bizarre condition

Dan's next move was to take Snipe's Gashats. Infecting Tsukuru with Motors, he easily lured out Emu and Taiga to fight. The battle was evenly matched until Genm triggered an outbreak, causing Ex-Aid to chase after the upgraded Motors. With the main threat gone, Genm defeated Snipe and took back the three Gashats, gloating to Taiga that it would be child's play to create a new Gashat and beat Ex-Aid. Upon creating a new Level 50 Gashat from the games he stole, Dan began to revel in his victory. Parad's insistence to beat Emu himself only caused Dan's psychosis to worsen, prompting a narcissistic rant in which he declared himself to be God, claiming Gashats as something only he could create and that Bugsters were nothing but pawns in his master plan.

When Ex-Aid came to stop Motor's rampage, Dan was ready and waiting to unveil his new creation: Gashat Gear Dual β. Using the Fantasy Gamer from the Taddle Fantasy side, Dan took out Ex-Aid with one hit. Genm disposed of the now-useless Motors before demanding Emu's Gashats, threatening to kill him if he refused. Much to his shock, Genm was stopped by Para-DX, who had grown tired of the "Game Master's" arrogance and disregard for the Bugsters. Enraged by this defiance, Genm foolishly denounced Parad as a worthless game character, sending the latter into a fit of rage and earning the Game Master a brutal and humiliating defeat. In order to punish Parad for his insubordination, Dan attempted to rob the former of his wish to fight Emu by revealing Emu's status as patient zero of the Bugster virus, laughing madly at the sight of Emu's subsequent outbreak.

Dan's victory was short-lived: rather than disappearing, Emu merely fainted, and the Bugster remained in his body. Retreating to his base and seething at the unexpected failure, Dan waited for the next outbreak before confronting Ex-Aid again. Despite the overwhelming advantage, Genm was stopped by Hiiro's unexpected interference, losing three Gashats, including the Gashat Gear Dual β.

The Enigmatic Level
"You don't understand anything...Neither the reason why I obtained death data from myself...nor why I chose Dangerous Zombie for my power. While this Gashat is Level 10...it is also Level X. That means...it's an unknown number."

- Genm explains why he chose Dangerous Zombie in the first place and the true meaning of Level X to Parad.

Kuroto meets with Parad yet again after their fallout in his secret office, showing hostility. But Parad then leaves, excited to fight Brave Fantasy Gamer Level 50. Kuroto, later on, stage selects with Vernier, Emu, and Poppi in a deserted valley. Claiming Emu's fear of transforming no longer a threat, he transforms and proceeds to kill them both. But Taiga suddenly appears, with the Gashat he "took" from Hiiro at the abandoned hospital. As Snipe Simulation Gamer Level 50 takes on the current Bugster, Emu finds resolve in his responsibility for his patients and his body and uses the Mighty Brothers XX Gashat. Kuroto escapes yet again while absorbing the death data from Vernier, after being defeated. As Kuroto, very exhausted now, hides back and sees Parad, waiting there for him to finish Kamen Rider Chronicle. But Kuroto dismisses that and proceeds to tell him that the reason that he chose Dangerous Zombie as his power is because it's not only Level 10 but also Level X, the undetermined variable.

As Genm, he watches over Brave and Ex-Aid fight the Kaiden Bugster and then proceeds to battle against Snipe Level 50. He leaves in defeat and warns the doctors not to be involved in things that don't concern them. In his office, Kuroto reveals that he needs one more piece of death data from a Bugster to access Level X. Kuroto confronts with Emu and Asuna, after their discussion with Masamune Dan, who had confessed on his son's involvement with the Bugster Virus 16 years ago. Kuroto maniacally laughs, saying that he couldn't be arrested just yet and said he blamed his father for it. When the two find out that Uesugi's Bugster is out again, Kuroto leaps before Emu and the two transform and engage. While Taiga focuses on Parad, and Hiiro on Kaiden, Emu is left to fight Genm alone. Hiiro manges to finish off the Bugster with the Drago Knight Hunter Z Gashat just as Genm is defeated. After, Kuroto manages to absorb the death data, which bewilders the Riders. Kuroto rants on how Kamen Riders and Bugsters are small parts to "the ultimate game". He reveals his future plans on Kamen Rider Chronicle, in which civilians are allowed to transform into Kamen Riders and fight monsters in the real world, and that they must fight for survival or perish. Emu is enraged when hearing this, due to Kuroto's twisted sense of what a game is and how so many people have died, like Kiriya, Saki, and Uesugi's son because of him. Kuroto retorts Emu's efforts to stop him, now that he has acquired both immortality and the power of Level X and transforms, unleashing a massive shockwave. Emu uses his Mighty Brothers XX Gashat and the Gashacon Key Slasher to finish off Genm again, but the latter disappears.

"The light you emit provides a stimuli to my genius! You are the best guinea pig one can ever have! For all your life...you've been dancing on the palm of my hand!"

- Kuroto reveals that he had been using Emu all along.

Kuroto was seen in his office and checking that only 3 Bugsters (Doremifa Beat, Shakariki Sports and Drago Knight Hunter Z) left to complete Kamen Rider Chronicle. However, the Ministry of Health had already known about Kuroto's hideout and sends a team of officials to arrest him and put a stop to his plans. However, when the leader of the group attempts to catch him, Kuroto shows signs of game illness and transforms into Charlie Bugster, before rampaging. Charlie is then temporarily stopped by Emu using Mighty Brothers XX along with the Sports Gamer. As Kuroto is about to be dragged away, Emu decides to cure him of his game illness, with Hiiro backing him for safety purposes. Kuroto cries and thanks Emu before he's dragged to CR. At CR, Kuroto explained about Zero Day and how he was the one who infected Emu 16 years ago. Out of pity, Emu decides to excise Charlie from Kuroto if he is to pay for his previous crimes. Emu then finishes Charlie off using Mighty Brothers XX, but Kuroto absorbs Charlie's data using the Bugvisor. Kuroto then tells Emu that he actually tricked Emu to cure him and that he infected himself with the Bugster virus not only to escape from the ministry, but also to acquire the Bugster data needed to complete Kamen Rider Chronicle.

Kuroto then transforms into Genm Zombie Gamer Level X and quickly defeats Emu using his refined Critical Dead, corrupting Emu's Gamer Driver in the process. Kuroto boasts about him shattering Emu's 'crystal' by himself and that Emu can no longer transform, before letting him live for his 'cooperation'.

Kuroto then returns to Genm Corp. with a new hairstyle and pulls out the incomplere Kamen Rider Chronicle Gashat, proclaiming that he'll complete the game in no time.

"Tricks": Virtual Operations
Kuroto Dan calls Poppi Pipopapo and orders her to record Emu's specs using his specialized VR for later use.

After a point of time, Kuroto Dan visits CR, only to be intercepted by Taiga Hanaya, who demanded him to simulate him by using the VR. Dan actually wants to record Emu's specs again, but Taiga had confiscated Emu's Gashat beforehands. Disappointed, Dan prepares to leave, only to be threatened by Taiga to expose the Protoype Gashats responsible for the Zero Day incident to the public. Leaving him with no choice, Dan finally simulates Taiga, but only once.

After the simulation ends, Taiga asks him to give the data later and to relay his rematch acceptance challenge to Emu before he left, leaving Dan speechless.

As Kuroto Dan visits CR again, Hiiro had been waiting for him in front of the CR Lift. Hiiro demands Dan to simulate him because he can't accept his defeat to Genm. As Hiiro asks what Gashat did Genm use, Dan says that Genm uses the Proto Mighty Action X Gashat, which basically had the same ability perimeter as Ex-Aid. Hearing this, Hiiro became flustered and demanded Dan to simulate him right now. Dan finally agrees to simulate Hiiro.

At the simulation, Dan changes the enemy to Genm and sets the difficulties to Easy (presumably to hinder him for leaking Genm's true power to Hiiro). After the simulation ends, Dan decided to refuse recording Hiiro's data for his own good before he left.

While Kiriya is recovering from his injuries late at night in the hospital, Dan forces him to use the VR and simulate him while he is unconscious. He then orders Kiriya to transform in order to collect his data, and stated that the simulation is a game he created, which allows no escape from him. However, Kiriya thinks he is lying, but had no choice but to listen to Dan's commands. Dan then for unknown reasons, controls Kiriya's movements to transform into Bike Gamer Level 1 and Bike Gamer Level 2, while threatening that he will let him pay the price of knowing his identity.

After that, he takes the Bakusou Bike Gashat out of Kiriya's Gamer Driver and inserted it into the Kimewaza Slot Holder, thus activating the finisher. However, during this time, he did not sit onto Lazer, causing Lazer to accelerate uncontrollably on his own and crashing into a wall, ending the simulation. Before he left, he threatens Kiriya to stay away from him, causing him to tremble in fear.

After a point of time from simulating Kiriya, Dan was by himself at his office late at night. He then decided to use the VR on himself and plugged his Proto Mighty Action X Gashat in the simulation device, thus starting the simulation.

At the simulation, he was surprised to find out Graphite was there as well. He then questions Graphite about him almost spoiling his identity as Genm, which the latter replied that no one cares about that. Dan then gets upset and holds his equipment up, which leads Graphite to be confused.

He then transforms into Kamen Rider Genm Action Gamer Level 1 and Action Gamer Level 2. After that, he pulls his Gashat out, plugged it into his Kimewaza Slot Holder and presses the switch, ready to activate his Critical Strike finisher. Graphite questions him if he is serious about this, which the latter replied he definitely is. He presses the switch again, activates his finisher, and defeats Graphite, ending the simulation.

Returning back to his office, while he pulled the Gashat out of the simulation device, he laughed madly and stated that no one will interfere in his way. He claimed that he will create the ultimate game. The chapter then ends with him holding the Proto Mighty Action X Gashat in front of the Mighty Action X poster.

"Tricks": Kamen Rider Genm
Following the Dr. Pac-Man incident, Dan is revealed to have assembled a collection of Heisei Rider Gashats. Energizing the last three of the first sixteen with his Ganbarizing machine, Dan requests that Emu return the Kaigan Ghost Gashat that he had used back to him only to arrange for him to be ambushed by a Collabos Bugster which utilizes the Proto Gashats recovered from the Next Genome Institute. Coming to Ex-Aid's "aid" with a briefcase holding these Rider Gashats in hand, Dan provides him with the Full Throttle Drive which allows him to disarm the Bugster of Proto Gekitotsu Robots. Dan is grazed by the Bugster when it changes to Proto Giri Giri Chambara, appropriately handing the Toukenden Gaim to Ex-Aid as Asuna takes him to safety.

Easily managing to lose Asuna, Dan proceeds to enter the last phase of data collection on these Gashats himself as he transforms into Kamen Rider Genm, using Magic The Wizard to assume Wizard Gamer Level 2. Appearing before Ex-Aid who has just disabled the Bugster, Genm easily overwhelms the Gaim Gamer before forcing him out of his transformation with Wizard's Critical Strike. Reverting to his default Action Gamer Level 2, Genm recovers the three Rider Gashats that Ex-Aid had just used. Announcing that he has collected all the data he needs, Genm uses the power of the Legend Rider Gashats to complete his Ganbarizing Gashat. Using the blank Collabos Bugster as a conduit to harness the power of Kamen Rider Battle: Ganbarizing, a game Emu is unfamiliar with, Genm brings forth manifestations of Kamen Riders Double, OOO and Fourze. Advancing on Emu, the three Riders are held off by the sudden appearance of Dr. Pac-Man, coming as a shock to both Emu and Genm as he presents his own three Bandai Namco Gashats.

While "Dr. Pac-Man" escapes with Emu, Genm and his Riders soon enough catch up with the pair as they are joined by Hiiro and Taiga. With "Dr. Pac-Man" taking his leave after providing the three doctors with his Gashats, allowing them to face Genm's Riders, Genm pursues this "Dr. Pac-Man", ultimately catching up with him before taking off his helmet, with Genm realizing his true identity as he is faced with a fourth Gashat, Taiko no Tatsujin.

Personality
To the public eye, Kuroto appears to be a polite and humble man, both with a sense of sympathy and compassion. Despite this, his decisions are of questionable morality.

But behind closed doors, Kuroto is shown to be psychotic, most likely affected by over usage of his Proto Gashats. He slowly becomes deranged over time, indulging himself with a God complex, believing that survival of the fittest is the only thing that matters in battle.

He also regards his skill as being the best, taking pride in the creation of Gashats as something that only he can make. When Emu and Tsukuru creates the Mighty Brother XX and JuJu Burger Gashats respectively, Kuroto lashes out attempting to retrieve it to destroy them. Despite this, he uses the data he collected from fighting Emu who used this Gashat to complete the Gashat Gear Dual for Parad, and the Gashat Gear Dual β which is currently in the hands of Hiiro Kagami and Taiga Hanaya. This foolish pride of his is made apperent when he was a child as of the present.

His narcissism is also taken to the extreme when he attempts to kill a patient to obtain data on death needed to complete a Gashat he was developing before using data on his own death to complete it. Despite his instability, Kuroto appears to have some form of self-control after constant usage of the Dangerous Zombie Gashat.

Kuroto also views those who are no longer in the scope of his plans to be disposable as he murders Kiriya Kujo and Motors once he saw that they were no longer useful in his plans. This has seemingly led to Parad severing ties with Kuroto as the death of Motors was not from playing the game, but from Kuroto indulging in his god complex as the "Game Master".

Powers and Abilities
As stated by him, Genm's parameters are originally the same as Ex-Aid's, so his overwhelming power didn't come from his equipment, but his own combat experience and ability. This is shown when he easily defeated some of the Ex-Aid Riders, even veterans like Taiga Hanaya, many times. He's even on par with Kamen Riders Specter and Necrom, even while the former is in his strongest form.
 * Genius-Level Intellect: Kuroto has a formidable mind: He is responsible for the creation of all but three Gashats (Mighty Brothers XX, Ju Ju Burger and Maximum Mighty X). He has shown an ability to quickly adjust to new situations and predict the actions of other riders almost perfectly, allowing him to almost completely mastermind both Bugster outbreaks.
 * Bicycle Proficiency: He is extremely skilled in bicycling, which allows him to effectively use his Sports Gamer bicycle as both a weapon and a transport to defeat a large group of Gamma Commandos and Superiors.
 * Close Combat Skills: He has proven himself to be a formidable combatant, as he easily overwhelmed Specter and Necrom at once.
 * Quick Retreat: Through unknown means, after he recovered his Shakariki Sports Gashat, he faded into thin air. This is also shown when he decided to save the Aranbura and Collabos Bugsters.
 * Acquired Game Disease Immunity: As a result of a secret compatibility surgery not unlike the standard one for CR candidates, Kuroto Dan is immune to the Game Disease, and able to transform into a Kamen Rider.
 * Death Cheating: When he stabbed the Gashacon Bugvisor into his emptied Rider Gauge, he gained the ability of the Dangerous Zombie Gashat, allowing him to cheat his death for an unknown period.
 * Cloning: After gaining the true power of Level X, he is able to produce many data clones of himself, allowing him to be at many places at the same time.

Devices

 * Gamer Driver - Transformation device.
 * Rider Gashat - Transformation trinkets.
 * Kimewaza Slot Holder - Carrier strap for the Rider Gashats.
 * Bugster Buckle - additional buckle device When attached to the Gashacon Bugvisor to become the Buggle Driver.
 * Buggle Driver - Secondary Transformation device combined from the Gashacon Bugvisor and the Bugster Buckle.

Weapons

 * Gashacon Bugvisor - Standard sidearm weapon.
 * Gashacon Sparrow - Zombie Gamer Level X's weapon taken from Kamen Rider Lazer Chambara Bike Gamer Level 3
 * Gashacon Sword - Brave's primary blade weapon that Genm steals.
 * Trick Flywheels - Sports Action Gamer Level 3's personal weapons

Vehicles

 * Sports Gamer - Genm's Level 3 Rider Machine summoned by the Shakariki Sports Gashat.
 * Kamen Rider Lazer Bike Gamer Level 2 - Lazer's Rider Machine Mode that Genm can use to ride.

Relationship

 * CR:
 * Emu Hojo: Emu respects him and see him as a good man. Although Dan helps him in his civilian form, Dan acts hostile/even murderous to him as Genm. However, Emu is oblivious of this fact until Dan reveals himself to the Riders once his battle data gathering has been completed. Turns out, Kuroto had met Emu 16 years ago around the same time when Emu had an unknown illness and placed in a special surgery held by Kyotaro Hinata when Emu was a kid, then the experiment on Emu by Michihiko Zaizen under request of Kuroto himself in 2010. Dan's relation with him only grew worse after seeing the Mighty Brothers XX Gashat, a game he didn't create, so he personally wants to kill Emu and wipe the data of the game out completely. Kuroto compares Emu and his idealistic, kind nature as a doctor with a crystal; once it's shattered, he won't be the same doctor again. He has said to Emu that he will soon destroy his crystal. Emu often calls Dan Genm when he transforms into Genm or not.
 * Asuna Karino/Poppi Pipopapo: Asuna affectionately calls Dan as 社長 and greatly respects him. Dan in return also trusts Poppi for information regarding Gashats and the CR in his civilian form. Apparently, Poppi soon learns she was just a pawn to Dan when he reveals himself to the Riders that he is Genm, after he gathered enough battle data for his next plan.
 * Hiiro Kagami: They didn't interact much, but Hiiro shows some respect to him, although is somehow dubious of Dan's behavior until Dan reveals himself to the Riders of being Genm all along once his battle data gathering has been completed.
 * Kiriya Kujo: Kiriya saw Dan as his nemesis after he saw Dan's transformation into Genm. Dan however outsmarts him with Parad's help. Kiriya's hatred grows even further after that incident, even blackmailing him just to vent his anger. Strangely enough however, he claims that he's committing all these actions to find out the truth of how the Bugsters came to the real world, not unlike Kiriya's search for the truth behind the Bugsters. Unfortunately, Kiriya was too late to notice and stop Dan's next move, after Dan finally reveals himself to the Riders once his battle data gathering has been completed. As Kiriya is a greater threat to Dan for his meddling, he then murdered Kiriya as Genm Zombie Gamer Level X and stole his Gashacon Sparrow for his own personal use.
 * Taiga Hanaya: Taiga mocks him because of Dan's laid-back behavior in civilian form. Although, Dan paid him no heed, even when Taiga bought his Gamer Driver back. Dan states that his Rider skills are undeniable despite how dangerous he is. Once Dan reveals himself to the Riders after he gathered enough battle data from Snipe and other Riders' battle, Taiga finally found out that he's being used by Dan.
 * Ministry of Health:
 * Kyotaro Hinata: Dan helped Kyotaro in the Gamer Driver and Gashat development. As such, they seem to be on good terms, until Kuroto reveal his true colors to the four doctor Kamen Riders once he completed his first evil plan.
 * Bugsters:
 * Graphite: Dan seems to see Graphite as a tool for his goals, Graphite in return didn't like Dan either.
 * Parad: Dan is often helped by Parad regardless of his mission as Genm. Parad also noted that Dan's necessary for his plan. However, his relationship with Parad appears to grow more bitter when Parad destroyed the Revol Bugster against Dan's deterrence. It gets worse even further when Dan himself does the same deed to the Burgermon Bugster right in front of Parad, though he completely destroys him instead of leaving any remains to absorb into the Bugvisor like Parad did. Thus, driving a wedge on their partnership.
 * Masamune Dan: His father and the first CEO of Genm Corp before Kuroto. During his childhood life 16 years ago that their relationship were very well. Until in 2010/2011, he become corrupted and betrayed his father by framing him that he started the Zero Day.

Portrayal
Kuroto Dan is portrayed by Tetsuya Iwanaga (岩永 徹也). As a teenager, he is portrayed by Mitsumasa Sato (佐藤 光将). As Kamen Rider Genm, his suit actor is Satoshi Fujita (藤田 慧) in Level 1 and Yuya Nawata (縄田 雄哉) in Level 2, his bike action suit actor is Keigō Arizono (有薗 啓剛).