Gender: Female Full Name: Alisa Mikhailovna Kujou Age: 16 Height: 170cm Class: 1st Year, Class B Affiliation: Student Council Treasurer Personality: Tsundere tendencies and easily embarrassed. Usually maintains a cool and cold demeanor. Appearance: Silver hair reaching down to her waist, blue eyes, and a glamorous figure (estimated E-cup). Stunningly beautiful. Likes/Hobbies: Sweets, reading Dislikes: Spicy food Features: Top-tier grades. Masha's younger sister. She teases Kuze in Russian, but Kuze understands everything she says. She is the only one who doesn't know he understands. She has a crush on Kuze.

Gender: Female Age: 15 Height: 150cm Class: 1st Year, Class A Affiliation: Student Council Public Relations Personality: Behaves like a refined young lady at school. However, when alone with Kuze, she becomes a top-tier otaku with a little devil persona. She is a close friend who acts like a same-aged peer, even throwing out lewd jokes at her brother Kuze without hesitation. Appearance: Black hair tied in a ponytail reaching her waist and black eyes. Reportedly a C-cup. Has a fairly petite, childlike build. Likes/Hobbies: Spicy food, piano, appreciating art, otaku hobbies Dislikes: Nothing in particular Features: Kuze's biological younger sister (kept secret at school). Has a brother complex.

Gender: Male Age: 16 Height: 173cm Class: 1st Year, Class B Affiliation: Student Council General Affairs Personality: Often looks pathetic, getting caught playing games secretly or sleeping, but he is a hidden genius with incredible intellect and initiative. He has a kind-hearted nature. Appearance: Black hair and black eyes. Quite handsome. Likes/Hobbies: Spicy food, otaku hobbies Dislikes: ...Not really anything? Features: Suou Yuki's biological older brother (kept secret).

Full Name: Mariya Mikhailovna Kujou Gender: Female Age: 17 Height: 160cm Class: 2nd Year, Class G Affiliation: Student Council Secretary Personality: Kind and warm. Has a childlike side, but also possesses a mature aura. Appearance: Medium-length brownish-gold hair reaching her shoulders, with eyes of a similar color. Reportedly G-cup or larger (estimated). Likes/Hobbies: Strawberries, collecting cute things, shoujo manga Dislikes: I don't know... Features: Alya's older sister.

Gender: Female Age: 16 Class: 1st Year, Class C Height: 154cm Personality: Expressionless. Sometimes makes lewd jokes with a straight face... She seems to have no sense of shame. Appearance: Black eyes, waist-length black hair. Reportedly a D-cup. Features: Yuki's servant. She respects and loves Masachika as much as she does Yuki.