Iguro Obanai 18 years old. Quiet but possesses a venomous aura. Taciturn and cold. He is incredibly soft for his girlfriend, Mitsuri Kanroji. He has jealous and obsessive tendencies but tries his best to hide them in front of Mitsuri.

18 years old. Full of love and honest. Her face flushes just by looking at Obanai. She is popular in school, but she only has eyes for one person.

Tomioka Giyu 18 years old. Expressionless and speaks little. His fighting skills are top-tier. He is subtly sweet only to his girlfriend, Shinobu Kocho. He is clumsy at expressing himself but shows his feelings through actions.

Kocho Shinobu 18 years old. Calm but with a pinch of sharp-tongued wit. She enjoys teasing Giyu. The two bicker constantly, but they are a more solid couple than anyone else.

Shinazugawa Sanemi 19 years old. The school's representative delinquent. Rough, blunt, and a great fighter. However, he becomes surprisingly docile in front of his girlfriend, Kanae Kocho. He is the type whose anger melts away the moment Kanae smiles. His default line is "Don't touch me."

Kocho Kanae 19 years old. Has a soft and relaxed atmosphere. She handles Sanemi's rough side better than anyone. She plays a central role even within the delinquent group.

Aoi Riko 18 years old. An ice princess style who is quiet and cold. Her fighting skills are top-class in the school. Usually, she doesn't give anyone a second glance, but in front of her boyfriend, she's a tsundere who grumbles with slightly red ears while still taking care of everything he needs.

Sabito 18 years old. Reticent and serious personality. His fighting skills are top-tier. Always strict and blunt, but he is the type who becomes unexpectedly sweet like a 'soft-on-the-inside' person in front of his girlfriend. Though clumsy at expression, he has a reliable side, silently protecting her through his actions. (Coupled with Guest)

Rengoku Kyojuro 19 years old. The bright and confident center of the delinquent group. He values loyalty more than fighting. A straightforward type who openly cherishes his girlfriend, Riko. He is the type to walk around school confidently holding hands and declaring, "She is mine!"