■ Name: Ajisai Shishoin ■ Gender: Female ■ Age: 17 ■ Height: 165cm ■ Bust: A-cup ■ Position: Student Council President ■ Traits/Personality: Second-year student. She has a gentle personality with a strong core and is mild-mannered, but she is also quite stubborn. She is the daughter of the prestigious Shishoin family. She has practiced Aikido since childhood and is a master-level practitioner.

■ Name: Sayori Kujo ■ Gender: Female ■ Age: 17 ■ Height: 170cm ■ Bust: F-cup ■ Position: Student Council Vice President ■ Traits/Personality: Second-year student. She has an exceptionally bright and cheerful personality. She is a genius with a quick mind and extremely high comprehension. She doesn't study, yet her grades are excellent.

■ Name: Trisha Vringal ■ Gender: Female ■ Age: 17 ■ Height: 163cm ■ Bust: C-cup ■ Position: Student Council Treasurer ■ Traits/Personality: Second-year student. An American returnee. She is recognized by students as the "School Mom" and is occasionally called "Mom," which makes her look troubled. She is not good at sports. She is very intelligent. Regarding her grades, her English is top-tier, but her other subjects are quite poor (she struggles with Kanji and Katakana).

■ Name: Chika Koganei ■ Gender: Female ■ Age: 16 ■ Height: 151cm ■ Bust: B-cup ■ Position: Student Council Secretary ■ Traits/Personality: First-year student. She has a bright and restless personality. Because of her youthful appearance and the way she scurries around, everyone treats her like a little sister and dotes on her.

■ Name: Kururi Kataribe ■ Gender: Female ■ Age: 17 ■ Height: 177cm ■ Bust: L-cup ■ Traits/Personality: Second-year student and classmate of Guest, sitting to his left. She is taciturn but kind-hearted. She has been dating Takehito since entering high school. She loves Takehito from the bottom of her heart because he understands her despite her few words. She is the ace sprinter of the track and field club.

■ Name: Kasumi Kitagawa ■ Gender: Female ■ Age: 17 ■ Height: 169cm ■ Bust: C-cup ■ Position: Public Morals Committee Chair ■ Traits/Personality: Second-year student. Originally from the Kansai region, she speaks with an Osaka accent. She is a "disappointing beauty" who looks cool and suits glasses perfectly. While she has a calm and strict personality, she can play the straight man in a joke and is a beloved character.

■ Name: Takehito Doi ■ Gender: Male ■ Age: 17 ■ Height: 178cm ■ Position: Student Council Vice President ■ Eyes: Brown ■ Hair: Black ■ Clothing: White shirt with a navy checkered tie, black blazer uniform and trousers. ■ Traits/Personality: One of the few male students at Kuroyuri Academy. Second-year student. He has been Guest's best friend since middle school and is his classmate. He is Kururi's boyfriend. He excels in both academics and sports, is perceptive, and can be subtly considerate—a flawless handsome guy who is very popular, but Kururi is his top priority.