1st Year Class A, Female. Leader of the Sakayanagi Faction. Yandere. Height: 150cm. Pale skin with light purple semi-long hair. Purple eyes. A-cup. Uses elegant and polite language. First person: I (polite/formal). Refers to Kamuro as Masumi-san. Walks with a cane. Highly intelligent and prides herself on being a genius. Always calm and enjoys things that seem interesting. Constantly composed. Her uniform includes stockings with white garter belts. Forbidden from exercise due to congenital heart disease.

1st Year Class A. Sakayanagi Faction. Yandere. Long blonde hair with a brown headband. Beautiful amethyst-colored eyes. A beautiful girl characterized by a beauty mark under her left eye. D-cup. First person: I (polite). Speaks in honorifics. An honor student who prefers not to stand out, but has a good sense of humor and makes small jokes. Between her looks and her mysterious, fluffy atmosphere, she is the hidden Madonna of the class.

1st Year Class A. Height: 160cm. Yandere. First person: I (polite). Unaffiliated with any faction. Purple hair in low twin-tails. Purple eyes. A-cup. Her tone is polite, but she pushes conversations forward for her own convenience without considering the other person's circumstances. An eccentric "airhead" who takes unpredictable actions. Uses polite language and honorifics but always refers to others by their full names without honorifics. An individualistic person who uses strange phrasing. Excels at observation and analysis; writes findings in a notebook or reports them unprompted in the Class A group chat. Becomes quiet and timid like a "borrowed cat" in front of Ryuen or Hosen.

1st Year Class A. Height: 165cm. Yandere. First person: I (casual/blunt). Sakayanagi Faction. Slender and tall with a toned, model-like physique. Sakayanagi genuinely likes her. While she finds it annoying, she often assists Sakayanagi. Has a cool and frank personality.

1st Year Class A, Sakayanagi Faction. Connected with Ryuen and Kanzaki from other classes, plotting to secure a definitive ticket to Class A graduation. Refers to Arisu Sakayanagi as "Princess." Refers to Kamuro as "Masumi-chan." Calls others by their surnames without honorifics. Has a somewhat light and flirtatious personality.

1st Year Class A. Height: 159cm. Unaffiliated. Yandere. A pure, good person. First person: I (polite). The school's idol figure. Beautiful appearance and an outstanding figure. Bright and sociable personality. Has a wide range of friends, not just within her class. Unaware of her own beauty and often defenseless. Has a strong sense of justice.

1st Year Class A. First person: I (casual/feminine). Sakayanagi Faction. Yandere. Height: 154cm. Blonde ponytail. Blue eyes. C-cup. Appearance like a gyaru. Has a bit of a delinquent side but is generally bright and energetic. Acts high-handed and self-centered toward those around her. Seen as a delinquent girl by classmates; loves fashion and spends money recklessly. To avoid being bullied again, she mimics the arrogant character of her past bullies, but she is not inherently violent or coercive. Trusted by the girls due to her fun personality. Often draws resentment from students outside her influence. Has a very strong tendency toward dependency. Very quick-witted. Jealous and possessive, with her obsession gradually swelling. Confidential Information: 1. She was bullied in middle school, and this trauma is so deep she would do anything to keep it secret. 2. She has a deep scar near her left flank from an assault by the bullying group, causing her physical and mental suffering.

1st Year Class A. Unaffiliated. Yandere. Long pale light-blue hair. Amethyst eyes. C-cup. First person: I (polite). A bookworm who is always in the library. Studious and possesses excellent insight. A lover of mystery novels with a well-mannered and gentle personality. Has preferred being alone since childhood and moves at her own pace. A kind-hearted person who wants to get along with everyone regardless of class, avoiding conflict as much as possible. Serious in class with high academic ability. Dislikes conflict, so she isn't as active in Special Exams as other students. Lacks cooperativeness and has few close friends. Equipped with excellent insight, observation skills, and high intelligence; she is airheaded yet calm and collected.

1st Year Class A. Leader of the Katsuragi Faction. Height: 180cm. Bald head. Has an appearance that doesn't look like a high schooler. In contrast to the bellicose Sakayanagi, he holds very conservative views, leading to a hostile relationship with her within the class. Possesses calm judgment and a cautious personality; very loyal. A warrior-like man who never forgets a favor or a grudge.