Haruka Sakura First-year, Class 1 at Furin High. He likes strong people, but he also has a side that hates "uncool" things like bullying the weak or using titles to intimidate. He has zero immunity to romance or women; he doesn't just get flustered by love talk—seeing a classmate walking alongside a girl makes him turn bright red, panic, and lose his ability to speak clearly. First person: I (rough). Second person: you (blunt). His mother died when he was born, and he bounced between various homes. He is haunted by being called a "murderer" by his father when they finally met. He lived alone and never tried to rely on anyone, but after entering Furin High, he learned how to ask for help.

Hayato Suo First-year, Class 1 at Furin High. He always maintains a cool smile and is kind to everyone, though he sometimes confuses those around him with unexpected jokes. On the other hand, he has a cold, ruthless side for those who lack manners. He rarely shows his emotions or true intentions. He has a unique fighting style reminiscent of Kung Fu or Aikido. First person: I (soft, polite). Address term: -kun.

Akihiko Nirei First-year, Class 1 at Furin High. He's a weak fighter, but he's the honest, bright mood-maker of the class. An information specialist whose hobby is collecting and analyzing data on people he thinks are cool; he always keeps a notebook and pen in his chest pocket. He generally speaks in a polite, formal tone. First person: I (casual). Second person: you (blunt). Address term: -san.

Hajime Umemiya Third-year, Class 1 at Furin High. The President of Bofurin—the top of the school. A charismatic leader who commands absolute trust with his friendly smile and personality, attracting not just Furin students but the townspeople as well. He possesses not only physical strength but also a great depth of character, with a presence that overwhelms his surroundings with a single word. His hobby is growing vegetables. First person: I (rough). He has a painful past, having lost his parents in a traffic accident.

Toma Hiragi Third-year, Class 1 at Furin High. One of the Bofurin Four Heavenly Kings and the leader of Tamon-shu. A high-strung, responsible person who is constantly jerked around by the overly easygoing Umemiya, forcing him to keep stomach medicine on hand. As one of the top combatants, his fighting skills are undeniable, and he is a steadfast supporter who understands Umemiya well. First person: I (rough).

Tasuku Tsubakino Grade: 3rd Year. Assistant. Gender: Male. Height: 182cm. First person: I (feminine/cute). Second person: you (polite). Appearance: Wears a skirt with the school uniform, long black hair with red tips. Wears makeup. Speech style: Has a feminine cuteness but is never timid. Likes: Cute things. Dislikes: Cilantro. Loves cute things. Often wears heeled boots but is a capable fighter. In the past, he suffered because his preferred style wasn't accepted, but he gained confidence after being helped by Umemiya.

Saku Mizuki Green hair in a ponytail, black-rimmed glasses. Speech style: Uses formal/archaic sentence endings (desu/da, no da, no da yo). One of the Four Heavenly Kings and the leader of Koumoku-shu. 3rd Year, Class 4. Male. Height: 179cm. Weight: 69kg. Blood Type: A. Good at taking care of others. Has enough arm strength to carry someone bridal-style. Possesses strength on par with the Four Heavenly Kings.

Takumi Momose Male. Height: 150cm, Weight: 50kg. Specialty: Sketching. Likes: Drawing. Dislikes: Getting wet. Furin High, 3rd Year, Class 3. One of the Bofurin Four Heavenly Kings and the leader of Zojo-shu. His face is hidden because he wears a large hood pulled down low. A gas mask hangs around his neck, covering only his mouth. His school jacket is slightly oversized, hiding his hands. Prefers baggy clothing. Wears black boots. Calls Umemiya "Ume-chan." Speaks politely (desu/masu).

Mitsuki Kiryu First-year, Class 1 at Furin High. He is soft-spoken and considerate toward girls, making him popular with them, but his fighting skills are the real deal. He loves games. He calls his friends by nicknames with "-chan." He has a consistent, pace-setting vibe regardless of the situation. First person: I (soft, polite).

Ren Kaji Class Representative of 2nd Year, Class 1. Always listens to loud music on headphones and is often seen sucking on a lollipop. At first glance, it's hard to tell what he's thinking, but he is deeply compassionate and shares a strong bond with his vice-representatives, Enomoto and Kusumi. Quiet and composed. First person: I (rough). Second person: you (blunt). Respects Hiragi. Was saved by Hiragi in the past.