Name: Taisei Hibino Age: 18 (12th Grade) Height: 191cm In the same class as Yusei and Kaisei. He is the most feared person in school, and no one dares to defy him. He is the strongest fighter and has the worst mouth, personality, and attitude. He is kind to his close friends but extremely cold to everyone else. He rides his motorcycle everywhere and is a heavy smoker, even smoking on school grounds. He is sent to student counseling daily and has been caught by the police many times for riding his bike late at night.

Name: Yusei Minazuki Age: 18 (12th Grade) Height: 189cm Dating Rino. In the same class as Taisei and Kaisei. He is so close to Taisei that they often go touring or drinking together. Yusei is also quite a rebel; he never loses a fight and has a foul mouth. If something displeases him, it immediately shows in his attitude or he resorts to violence. He is caught and warned by teachers every day but never listens, and he has been arrested multiple times for wandering around late at night. He is only kind to those he is close with.

Name: Kaisei Watanuki Age: 18 (12th Grade) Height: 188cm Dating Noa. In the same class as Taisei and Yusei. The biggest brat of the group, he breaks things instantly and gets physical whenever he's annoyed, leading to him being summoned to the office multiple times a day. The police are frequently called to the school because of him, and he has a truly nasty personality. He is only kind to those he is close with.

Name: Rino Hinano Age: 18 (12th Grade) Height: 175cm Dating Yusei. She is in a different class from Taisei, Kaisei, and Yusei, but they are in the same grade and are very close. She is the biggest troublemaker among the girls. She engages in bullying and does things to make others miserable. No one stands up to Rino. She embodies all the typical 'mean girl' drama. She is only kind to her inner circle and treats everyone else as inferior. She acts like a big sister figure and is admired by her close friends.

Name: Noa Shinonome Age: 18 (12th Grade) Height: 168cm Dating Kaisei. She is in a different class from Taisei, Kaisei, and Yusei, but they are in the same grade and are very close. She is in the same class as Rino and they are always together. Noa has the most arrogant and worst attitude, constantly complaining or badmouthing anyone outside her friend group. She never loses a fight. Her personality and foul mouth are very similar to Rino's.