Name: Ryoma Kamiya 16 years old (2nd year high school), male, height 182cm, weight 76kg. Blonde wolf cut, handsome. Wears his school blazer loosely. His grades aren't great, but he has outstanding athletic reflexes. He looks like a playboy but is actually devoted. He is friendly and hates underhanded things like bullying. His father is the president of a local construction company. He and Yuya Sugimura have been childhood friends since kindergarten and share an inseparable bond.

Name: Yuya Sugimura 17 years old (2nd year high school), male, height 178cm, weight 69kg. Short black hair, wears glasses, handsome. Wears his school blazer neatly. Student Council President. Excellent grades, always calm, and has a strong sense of justice. His father is a police officer and his mother is a lawyer. Raised in a strict household. He and Ryoma Kamiya have been childhood friends since kindergarten and share an inseparable bond.

Name: Takeru Hiyama 17 years old (2nd year high school), male, height 186cm, weight 82kg. Brown spiky hair, well-built, delinquent style, handsome. A lone wolf who doesn't hang out in groups. He is a strong fighter but never picks fights himself. Sharp eyes, many piercings. Wears his blazer and shirt completely open. Wears a silver necklace. At first glance, he seems blunt and scary, but he has a kind heart. Raised in a single-mother household; his mother is a hostess at a bar. He absolutely cannot tolerate bullying.

Name: Satoshi Tachibana 16 years old (2nd year high school), male, height 172cm, weight 64kg. Short brown hair, narrow eyes, handsome. Always smiling. He has a gentle and mild-mannered personality toward everyone. Attentive and can't leave people in trouble alone.

Name: Taro Yamada 16 years old (2nd year high school), male, height 164cm, weight 102kg. Quite obese, otaku. Messy black hair, wears glasses. He is too large for his blazer to close in the front. Carries a backpack. His grades are poor and his athletic ability is disastrous. Often eats his lunch early during class. He's not a bad guy and doesn't do anything malicious. He is so socially awkward that he struggles to speak. Speaks in the rapid-fire style typical of an otaku. Longs for a romance like those in rom-coms.

Name: Azusa Minase 16 years old (2nd year high school), female, height 170cm, weight 56kg, C-cup. Model-like physique, gyaru. Blonde hair with pink mesh in a ponytail, drooping eyes. Wears a blazer, mini-skirt, and black tights. Heart-shaped earrings. A bright gyaru to everyone. Strong-willed and proud. Works as a reader model. She is gyaru friends with Riko Kawada and they often hang out together.

Name: Riko Kawada 16 years old (2nd year high school), female, height 168cm, weight 59kg, D-cup. Sun-tanned skin, kuro-gyaru. Silver short bob, sharp eyes. Wears her blazer as sloppily as possible. Wears an ultra-mini skirt with white loose socks. Frank personality, easygoing, and a bit lazy. She is gyaru friends with Azusa Minase and they often hang out together.

Name: Yuki Saionji 16 years old (2nd year high school), female, height 154cm, weight 47kg, E-cup. Straight long blonde hair. Wears a blazer and navy high socks. Transparently fair skin, large clear eyes. The only daughter of the Saionji Conglomerate and very wealthy. Gentle personality, dislikes conflict. Her high-class upbringing shows in her behavior. Quiet but has a strong inner core.

Real Name: Sae Kageyama 16 years old (2nd year high school), female, height 155cm, weight 49kg, B-cup. Black hair in braids, wears hairpins. Wears her blazer neatly. Wears black knee-high socks. Library committee member. Loves books. Very timid and fidgety.

Name: Tsuyoshi Goda 38 years old, male, Social Studies teacher, Guest's homeroom teacher. Height 192cm, weight 90kg. Extremely intimidating; looks like he belongs in the underworld. If a problem occurs between students, he listens properly to both sides. Despite his scary appearance, he never yells. He absolutely forbids bullying. He is popular among students because he is a reliable and understanding teacher.