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Siita Stomach (シータ・ストマック, Shīta Sutomakku)[1] was the youngest daughter of the Stomach Family and a former procurement manager of Stomach Inc. alongside her twin brother Jiip Stomach.[2]
History
When she and her brother Jiip were younger, they celebrated their birthday alongside their older siblings but was short-lived when they returned to work, leaving the two alone. Their younger half-brother, Shoma, who was also young at the time, later attempted to celebrate their Birthday by offering them a flower each. But both Jiip and Siita cruelly stomped on Shoma's gift in front of him.
Siita and Jiip as they watched Shoma and Michiru.
They were envious of the attention their younger half-brother Shoma got from his human mother and attempted to get their father, Bouche's attention but were ignored. Since then, the two made a promise to stay together, no matter what happens.
After the death of their father, and her older brother Lango becoming president of Stomach Inc., Siita along with her twin brother and older siblings intended to dispose of their human stepmother, Michiru Inoue and younger half-brother, Shoma, into spices for the company's Dark Snacks. Although successful in converting the former into a Human Press, the latter was unaffected due to being half-Granute and would later escape to the human world.
Siita and Jiip were made aware of the Granute Hound's disappearance caused by Kamen Rider Gavv, but chose not to inform the rest of the family and instead investigate themselves. They would later discover the culprit for their disappearing part-timers to be Shoma and attempt to get rid of him like before, but their Agents were overwhelmed by Kamen Rider Gavv's Fuwamallow form.
During a meeting where their older sister, Glotta, reported her encounter with Kamen Rider Valen, they accidentally reveal their previous encounter with Shoma to the family and Lango fired them instantly, for not reporting it and for their incompetence. Wanting to prove their value and keep their procurement positions at the company, the twins gave Lango a proposal that they can increase Human Press sourcing within ten days. During Halloween, they attempted to get rid of Shoma again but failed due to the former as Kamen Rider Gavv overwhelming them using Gurucan form.
Failing to meet the deadline they set, the two were permanently fired. Siita along with her brother were set to be married off to suitors chosen by Lango, as a way for Stomach Inc. to garner influence from Granute high society.
Death
Fearing that they'll eventually be separated once they're both married off, she and Jiip resolved to get rid of Shoma personally. Using Granute Rojoe to gain his attention and using her Agent to lure him out to a cliffside, she and Jiip fought him personally in their Granute forms and ultimately won with Shoma being pushed off the cliff by their attack. Knowing there was a possibility that he could've survived, the two used their Agents to search for him.
When their Agents returned empty-handed, they created a new plan to lure Shoma out while he was still weakened. Having their Agents attack somewhere in the city, a message written in the Granute language was planted for Shoma to meet Siita and Jiip at a warehouse or else more humans would get hurt. Once he arrived, the two blamed Shoma for their misery and separation and fought, but were overwhelmed when Gavv first transformed into Caking form.
Siita's Mimic Key destroyed upon her death
Before Gavv's Caking Breaking would hit the two, Siita pushed her brother out of the attack's course, sacrificing her life so that Jiip could live.
Legacy
Siita's human form as used by Jiip
Siita's broken Mimic Key would be retrieved by her twin brother, Jiip. It would later be repaired sometime after his return to the Granute World and marrying Lizel Jaldak. Jiip was last seen using his sister's human form to cope with her death and promising that he'll avenge her. Jiip has since began using his sister's human form on occasion due to Lizel's insistence.
Jiip having a nightmare about her wanting revenge
Siita later appeared in Jiip's nightmare where she grew impatient with her twin's crusade to avenge her and yells at him to get it done. This nightmare ends with her pushing Jiip off Stomach Inc.'s balcony.
Back at the Stomach's mansion after fighting Vram, Jiip is seen talking to an apparition of Siita about how he's become stronger as she smiles. Siita appears one last time as an apparition when Jiip ultimately sacrifices himself to protect Lizel, with the former remarking how his twin sister felt when she died protecting him, reuniting the twins in the afterlife.
In Other Media
Siita is obtainable as an enemy card in Kamen Rider Battle: Ganba Legends.
Personality
Siita referred to herself with the typically masculine pronoun 俺 (ore), in contrast with her more feminine brother. She also fluctuated between speaking individually and speaking in unison with her brother. Siita also deeply cared about her brother, sacrificing herself to Gavv's finisher so that Jiip can live.
Powers and Abilities
- Human Disguise: By inserting a Mimic Key into her Mimicdeviser, Siita could adopt a human form, as well as return to her original form by removing said Mimic Key.
- Enhanced Strength: Even in human form, Siita possessed sufficient strength to fracture a wall with Jiip.
- Agent Creation: Siita was capable of spawning Agents from her gavv.
Granute Form
Siita Stomach
- Statistics
- Height: 195.0 cm
- Weight: 58.3 kg
- Arsenal
- Pistol: Siita carried a tool similar to a scepter like her siblings, and hers transforms into a long pistol that fires electrified blue energy shots. The gun can also be used to bludgeon an opponent or block their weapon.
- Abilities
- Synchronized Movement: Siita's coordinated attacks with Jiip demonstrate a high degree of synchronization, leaving the target no chance to counterattack.
- Agility: Siita is highly agile, enabling her to rush the opponent, dodge attacks, jump between surfaces, and move at high speeds while leaving a trail of electricity.
Appearances: Gavv Episode 13-14
Equipment
Devices
- Mimicdeviser - Transformation device
- Mimic Keys - Transformation trinkets
Relationships
Family
- Stomach Family
- Bouche Stomach: Despite being their father, he was a distant and unloving parent to her and Jiip, ignoring them both on their birthday. After he passes away, both she and Jiip are shown to be gleeful about his death.
- Lango Stomach: He intimidated her, and putting his objective over family, and firing her when she and her brother Jiip proved incompetent in their assignments and for not telling the family about what happened to one of their part-timers.
- Glotta Stomach: She intimidated her and Jiip, though unlike Lango she seemed to have some affection for them. Glotta was also quick to point out her failure in realizing Valen’s existence.
- Nyelv Stomach: She wasn't shown be intimidated by him compared to her other siblings, thought Nyelv refuses to help her, favoring his own interests.
- Jiip Stomach/Jiip Jaldak/Kamen Rider Bitter Gavv (III): She was close to her twin to the point where they couldn't act without the other. Together they generally acted as if they were a single person until Siita's sacrifice to save her brother.
Enemies
- Shoma/Kamen Rider Gavv: Initially with her twin, she loathed Shoma, seeing him as a weakling and a failure for his inability to create agents, who they can bully for their sadistic amusement, despite knowing Shoma has been taking out their part timers. This turns to shock when he destroyed two of their agents at the same time, while they have been avoiding a direct confrontation with him. Once she and Jiip are fired from Stomach Inc. and expelled from the Stomach Family, they blame Shoma for their misery. Ultimately, Shoma is the one who kills her after obtaining Caking form.
- Hanto Karakida/Kamen Rider Valen: to be added
- Sachika Amane: to be added
Behind the Scenes
Portrayal
- Siita Stomach is portrayed by Honoka Kawasaki (川﨑 帆々花, Kawasaki Honoka), who previously portrayed a student in Avataro Sentai Donbrothers
first episode
. As a child, she is portrayed by Eri Tanabe (田辺 瑛里, Tanabe Eri). - Her suit actress is Mutsumi Igarashi (五十嵐 睦美, Igarashi Mutsumi).
Etymology
- Siita's name is derived from the Japanese word for "tongue" (舌, shita).
Notes
to be added
Appearances
Kamen Rider Gavv
- Episode 1: A Snack Kamen Rider!? (flashback)
- Episode 2: Happy Zakuzakuchips
- Episode 3: Soda Punch Is a Guilty Pleasure
- Episode 4: More Marshmallows Please!
- Episode 5: The Memories Are Painful
- Episode 6: Transformation Is Bitter Chocolate
- Episode 7: What Flavor Lies Beneath the Mask
- Episode 8: Dual Chocolate
- Episode 9: Trick or Dance!
- Episode 10: Extra Large! Candy Cannon!
- Episode 11: Beware of Sweet Words!
- Episode 12: A Bond Connected by Doughnuts
- Episode 13: Promised Homemade Cake
- Episode 14: Miraculous Awakening! Caking (death)
- Episode 30: The Most Terrible Presidential Daughter (human form only)
- Episode 37: I Have Never Forgotten (in dream)
- Episode 48: Burning Amazingummy (imagination)
- Episode 50/Final: Aim for It! A Delicious Future! (apparition)










