TV-Series
Description
Chiroru Ōchagama, also known as Tirol Ochagama, possesses distinctive pink hair styled in braids resembling a jellyfish, earning her the nickname "Jellyfish." Her surname translates to "large tea kettle," combining Japanese words for "big," "tea," and "kettle," while her given name references Tirol chocolates.

Initially employed as a mercenary within Kurokawa's black leather guard, she simultaneously operates a traveling merchant business named "Kurage Shoten." Her assignments for Kurokawa include an attempt to eliminate Bisco Akaboshi outside Imihama using an Escargot fighter craft. Bisco destroys the vehicle, forcing her defeated return. Later dispatched with elite forces to pursue Bisco within Imihama, she is easily overpowered, pleads for her life, vows to change professions, and escapes during a confrontation between Bisco and Pawoo Nekoyanagi.

Her path repeatedly crosses with Bisco and Milo Nekoyanagi. After fleeing Imihama, she encounters Milo trying to ride the giant crab Actagawa. She attempts to steal the crab under the guise of offering riding lessons, only to be thwarted by Bisco. Later, at the Nikko War Memorial, she begins choking due to a balloonworm parasite implanted in her stomach—Kurokawa's method of controlling special forces via administered eggs and suppressing medication. Milo diagnoses and removes the parasite, saving her life. Initially suspicious of their motives, she realizes they seek only food. She provides them supplies from her jellyfish-themed shop and discards liquid bonecoal gas, inadvertently awakening a dormant coal-eating mantis shrimp. During the ensuing chaos, she clings to Bisco for safety while assisting in defeating the creature. The next day, she departs after taking Milo’s money but leaving food in exchange.

Bisco and Milo later find her frozen in Shimabuki. Rescued, she explains her helicopter repair attempt at the memorial ended with an anti-aircraft gun shooting her down. Expressing despair over her "bad karma" and considering giving up on life, Bisco and Milo encourage her to persevere. She guides them toward the Shirakaba Line, negotiating favorable deals with traders and securing a bonus book. Her mechanical skills, honed from past work on a Tetsujin project, prove crucial in bypassing a train’s fare system. During this collaboration, she reveals her previous mechanic group succumbed to Rust disease while repairing Tetsujin components; she escaped only by rising in rank. After aiding with the train, she parts ways, initially hesitant to share her name due to fear of ridicule but relenting after Milo insists their names are equally unconventional. She expresses surprise when they refer to her as a friend.

Returning to Shimabuki Base for trade, she encounters men with mushroom growths who regain normalcy—though with amnesia—after the mushrooms detach. Learning of Kurokawa’s death and a looming threat from a Tetsujin, she alerts the Imihama Watch, though they hesitate to act. When Pawoo Nekoyanagi arrives, Ōchagama claims friendship with Milo to gain trust, presenting a Tetsujin manual she acquired. Pawoo remains skeptical of her altruism, prompting Ōchagama to admit only "an idiot" risks their life for others. They rally the Imihama Watch and pursue the Tetsujin, confronting it near Imihama’s gates. As Bisco battles the machine, Ōchagama recognizes its imminent self-destruct sequence from her manual study. She devises the critical strategy to prevent catastrophe: shoot the pilot in the head to halt detonation. After contributing this solution, she prepares to depart, acknowledging her debt repayment and—while blushing—calls it normal to assist friends. Following the Tetsujin’s defeat, she obtains Rust-Eater mushrooms and embarks on a journey to sell them across Japan.

Her personality combines resourcefulness and quick thinking with chronic financial mismanagement. Initially self-serving and opportunistic—exemplified by theft attempts and mercenary work—her experiences foster genuine loyalty, leading her to risk her life for others. She gradually embraces camaraderie, visibly moved when called a friend and later reciprocating with acts of solidarity.