Who Does the Warrior Fight For?

Who Does the Warrior Fight For? (戦士はだれのために戦うのか) is the sixth episode of Kamen Rider Drive. It is the debut of Kamen Rider Drive's Type Speed Doctor, Type Wild, and Type Wild Dump, as well as Tridoron's Type Wild mode.

Synopsis
While Shinnosuke is still under the effects of Brain's poison, he must figure out how to stop the Crush Roidmude from obtaining explosives from the Font-R company, when its president prevents the Special Investigations Division from looking into his factory.

Plot
After poisoned by Brain, Drive struggle himself from the poison's effect. Kiriko sent Dream Vegas to help him escape from the villains. Drive was washed to a nearby shore and received a painful medical treatment from Mad Doctor Shift Car. He found himself at Kotoha Hospital and since the Font-R company was found with the explosives, the Special Investigation Unit is currently interrogate him. In the Unit's office, Eiji officially disbanded the team and took over their office while Rinna still retained her position. Crush and 074 went out, bringing along a large number of Viral Cores as they pursue the Font-R president Kuramochi for more explosives. At the cafeteria, Genpachiro finally accepted the existence of Roidmudes to Kyu and Kiriko came in to ask for their help. While Shinnosuke doubted Chase's claim that justice never existed, Captain Jun gave Shinnosuke Yuuzou Ichikawa's number, the man that saved him from the shore. Contacting Ichikawa, Shinnosuke thanked him for the rescue but Ichikawa instead said his heroic deed earlier was from his inspiration on Drive, revealing him to be the driver that Drive saved before thus restoring Shinnosuke's faith in humanity. Ichikawa however spotted the president being attacked by the same Roidmude gang from before and caught himself in a Heavy Acceleration wave. Shinnosuke entered "top-gear" state, and rushed to the Unit's office, where he ordered Rinna to restart the program as she agreed. While Shinnosuke off to Font-R building, Eiji tried to protest but Kiriko, Genpachiro and Kyu stopped him, revealing that Eiji was all along bribed by Kuramochi to protect the smuggled explosives via the Unit and Kamen Rider Drive. But when the unit found his secret, Eiji tried to shut the team. Rinna revealed her tricks to Eiji and played along with his plans while instructed Kiriko to investigate the latter's relation with Font-R. As Shinnosuke drove to the building, Chase stopped him in the midway and criticize his desire to protect humans but Shinnosuke said otherwise and gained his passion to assume Type Wild and fight. Using Type Wild Dump, he execute DriRumble to defeat Mashin Chaser and continue his journey to Font-R. Meanwhile, several portion of Font-R building was severely destroyed and the Roidmudes took their supply of explosives. Drive appeared and saved the president from being killed. Roidmude 074 devoured three Viral Cores and transformed into a Giant Cobra Roidmude. With Tridoron changed into Type Wild, Drive used it to attack the giant cobra before eliminating it with Rumble Dump. With Crush left, Rinna appeared and gave Drive Type Wild the Handle-Ken which Mr. Belt left and finished the Roidmude with Drift Smasher. At Drive Pit, Mr. Belt revealed Rinna as his secret assistant which further angered Shinnosuke. In a newspaper office, the higher faculties thanked Kusaka for a new scoop for their newspaper article: exposure of Font-R's crimes and their factory's destruction. As Kusaka was praised, a newspaper staff envied the man.

Cast

 * Shinnosuke Tomari (泊 進ノ介): Ryoma Takeuchi (竹内 涼真)
 * Kiriko Shijima (詩島 霧子): Rio Uchida (内田 理央)
 * Jun Honganji (本願寺 純): Tsurutaro Kataoka (片岡 鶴太郎)
 * Rinna Sawagami (沢神 りんな): Rei Yoshii (吉井 怜)
 * Kyu Saijo (西城 究): Kenta Hamano (浜野 謙太)
 * Genpachiro Otta (追田 現八郎): Taira Imata (井俣 太良)
 * Narration (ナレーション), Drive Driver's voice (ドライブドライバーの声): Chris Peppler (クリス・ペプラー)
 * Chase (チェイス): Taiko Katono (上遠野 太洸)
 * Brain (ブレン): Shota Matsushima (松島 庄汰)

Guest cast

 * Crash/Roidmude 023: HIRO (Yasuda Dai Circus)
 * Crash's Henchman/Roidmude 074: Kuro-chan (クロちゃん)
 * Eiji Kirihara (桐原 英治): Takashika Kobayashi (小林 高鹿)
 * Mitsuru Kuramochi (倉持 満): Tomonori Mizuno (水野 智則)
 * Yuzo Ichikawa (市川 勇蔵): Kohei Yamamoto (山本 康平)
 * Kenta Takasugi (高杉 憲太): Kenta Uchino (内野 謙太)
 * Shunsuke Kusaka (久坂 俊介): Takuya Nagaoka (永岡 卓也)

Shift Cars

 * Cars Used:
 * Type Change: Shift Wild
 * Tire Exchange: Midnight Shadow, Dream Vegas, Mad Doctor, Rumble Dump (once in Tridoron)
 * Type Used:
 * Type Speed Shadow, Type Speed Vegas, Type Speed Doctor, Type Wild, Type Wild Dump
 * Viral Cores Used:
 * Chaser Spider
 * Busou Forms Used
 * Busou Chaser Spider