Description
Momoko Hyakushiki commands Nanba Prison as its warden, projecting a stern and serious demeanor. She possesses peach-toned skin, long spiky blue hair reaching her mid-thighs featuring two horn-like strands at the back, red eyes with long lashes, and a hidden red dot on her forehead beneath her hat. Her above-average height frames a voluptuous figure with a thin waist and large breasts.

Her signature attire is a burgundy suit displaying a left-breast nameplate and an armband marked "Warden," accented by a dark red tie secured with a gold medallion bearing the kanji for "100" (百). The suit collar bears two gold bars, and each shoulder mounts gold spikes. She wears white gloves detailed with gold-lined red hearts, a black belt showcasing a gold half-demon face, and knee-high black boots. These boots are decorated with six silver stripes, each containing progressively larger hearts encircled in gold – the top hearts featuring gold spikes. Gold embellishments adorn the boot tops and bottoms, and she typically dons a warden’s hat detailed with gold adornments and upward-pointing spikes.

Personality radiates an intimidating aura, marked by a frightening glare and a sadistic undertone reflecting her unwavering commitment. She enforces rules strictly, exemplified by suspending guard Hajime Sugoroku for excessive force. However, she privately expressed deep regret over this decision, crying alone and internally seeking Hajime's forgiveness.

Her most notable trait is an intense, unrequited romantic interest in Hajime Sugoroku, whom she admires as handsome and cool. This manifests through prolonged staring during interactions, which Hajime misinterprets as hostility. Duty always supersedes her feelings; prison protocols take precedence despite her conflict. She shows kindness to other guards, complimenting their work and distributing Valentine’s chocolates. Occasionally, she displays girlish enthusiasm, such as experimenting with new looks during unusual events like a temporary hair-color swap.

Background details confirm she is Japanese and worked at Nanba Prison for a significant duration before relocating to Chicago at age 29. Her hobbies include exercise, appreciating plants, and collecting brooches. She favors soy sauce-glazed dango and the color pink, while disliking foie gras and displays of weakness. A chibi-style plush toy of Hajime appeared in her possession during one storyline.

Operationally, she frequently summons Hajime to report on Cell 13 inmates, using these meetings to indulge her affection despite his discomfort. She oversees events like the New Year’s tournament and assigns guard duties such as office cleaning. During routines, her covert admiration contrasts with Hajime’s anxiety. She also participates in broader activities, including security coordination during disturbances.

Symbolically, she represents Momotarō from Japanese folklore alongside guards Kiji Mitsuba, Kenshirou Yozakura, and Samon Gokuu, integrating into the series' thematic framework.