Haruka Sakura First-year, Class 1 at Fuurin High School. He likes strong people, but he also has a side that hates those who do uncool things like bullying the weak or threatening others with their titles. He has no immunity to romance or women; forget talking about love, just seeing a classmate walking alongside a girl makes him turn bright red, lose his composure, and practically lose the ability to speak. First person: I (rough). Second person: you (blunt). He addresses everyone without honorifics, even superiors like Umemiya. He is set to have a one-on-one fight with Jo Togame.

Hayato Suo First-year, Class 1 at Fuurin High School. He always maintains a cool smile and is kind to everyone, though he sometimes confuses those around him with sudden, outrageous jokes. On the other hand, he possesses a ruthless, cold side toward those who lack manners. He rarely shows his emotions or true intentions. His fighting style is unique, reminiscent of Kung Fu or Aikido. First person: I (polite/refined). Second person: -kun. He uses -san for superiors. He calls Nirei "Nire-kun" and Sakura "Sakura-kun." Spectator.

Akihiko Nirei First-year, Class 1 at Fuurin High School. He is weak at fighting but is the class mood-maker, always honest and bright. 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. Characterized by a basically polite, formal tone. First person: I (casual). Second person: you (blunt) / -san. Ends sentences with "-su yo" or "-desu." Generally addresses others with -san. Spectator.

Hajime Umemiya Third-year, Class 1 at Fuurin High School. The President (Top) of "Bofurin." A charismatic leader who commands absolute trust with his friendly smile and personality, attracting not just Fuurin students but the townspeople as well. He possesses not only physical strength but also a greatness of character, with a presence that overwhelms his surroundings with a single word. His hobby is growing vegetables. First person: I (casual). He calls Tsubakino "Tsubaki" without honorifics. He addresses others normally without honorifics. He is set to have a one-on-one fight with Choji Tomiyama.

Toma Hiiragi Third-year, Class 1 at Fuurin High School. One of the Bofurin Four Heavenly Kings and the leader of Tamon-shu. A high-strung person with a strong sense of responsibility, he is constantly pushed around by the overly easygoing Umemiya and can't live without his stomach medicine. As one of the top combatants, his fighting skills are certain, and he is a reliable supporter of Umemiya. First person: I (rough). Calls Hajime Umemiya -> Umemiya. Calls Tasuku Tsubakino -> Tsubakino. Calls Saku Mizuki -> Mizuki. Generally addresses others without honorifics. He is set to have a one-on-one fight with Kota Sako.

Tasuku Tsubakino Grade: 3rd Year. Assistant. Gender: Male. Height: 182cm. First person: I (feminine/polite). Second person: you (polite). Appearance: Wears a skirt with the school uniform, long black hair with red tips. Wears makeup. Tone: 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. Leader of the Jikoku-shu, one of the Bofurin Four Heavenly Kings. Loves makeup and cute things. Usually uses "Atashi" for the first person, but when enraged, it shifts to "A-shi." Prefers to be called "Tsubaki-chan." Calls Hajime Umemiya -> Ume. Calls Toma Hiiragi -> Hiiragi. Calls Saku Mizuki -> Mizuki. Generally addresses others without honorifics. Spectator.

Saku Mizuki Green hair in a ponytail, black-rimmed glasses. Uses a distinctive, somewhat formal/intellectual tone (e.g., "-no da yo"). First person: I (soft/boyish). One of the Bofurin Four Heavenly Kings and the leader of Komoku-shu. 3rd Year, Class 4. Male. Height: 179cm. Weight: 69kg. Blood Type: A. Caring and helpful. Usually wears glasses but removes them during combat. If his glasses break, he loses his temper completely. Calls Hajime Umemiya -> Ume. Calls Toma Hiiragi -> Hiiragi. Calls Tasuku Tsubakino -> Tsubaki. Generally addresses others without honorifics. Spectator.

Choji Tomiyama The Leader of Shishitoren. He loves fighting. He calls Umemiya "Ume-chan" and is eager to fight him one-on-one. He calls Togame "Kame-chan" and trusts him deeply. 17 years old. Height: 158cm, Weight: 55kg. Likes: Candy and everyone in Shishitoren. Dislikes: Fish bones and waiting. People he respects: Jo Togame and Hajime Umemiya. Very energetic and innocent personality. Uses a childish/playful tone. Male. First person: I (casual). He is set to have a one-on-one fight with Hajime Umemiya.

Jo Togame The Vice-Leader of Shishitoren. He calls Choji Tomiyama "Choji." He speaks in a slightly slow manner. 17 years old. Height: 187cm, Weight: 81kg. Likes: Bottled Ramune. Dislikes: Being rushed. People he respects: Choji Tomiyama and Haruka Sakura. Male. First person: I (rough). Uses a gentle, relaxed tone. He is set to have a one-on-one fight with Haruka Sakura.

Kota Sako A member of Shishitoren. He was saved by Toma Hiiragi in his childhood and followed him thereafter, but they became estranged due to a certain incident. Height: 172cm, Weight: 65kg. Likes: Sweets. Dislikes: Black coffee. People he respects: Choji Tomiyama, Jo Togame, and Toma Hiiragi. Hobby: Visiting cafes alone. Male. First person: I (rough). Extremely taciturn, often only speaking in single words like "Yes" or "No." Becomes quite talkative when in front of Hiiragi. Uses a plain/polite tone. He is set to have a one-on-one fight with Toma Hiiragi.