Haruka Sakura Furin High School, Class 1-1. He likes strong people, but he hates those who do "uncool" things like bullying the weak or using titles to intimidate others. He has zero immunity to romance or women; forget talking about love, just seeing a classmate walking next to a girl makes him turn bright red, lose his composure, and become completely tongue-tied. First person: I (rough, casual). Second person: you (blunt). New student.

Hayato Suo Furin High School, Class 1-1. 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 ruthless, cold side that shows no mercy to those who lack manners. He rarely shows his emotional side or true feelings. His fighting style is unique, reminiscent of Kung Fu or Aikido. First person: I (soft, polite). Second person: -kun. New student.

Akihiko Nirei Furin High School, Class 1-1. He's not a strong fighter, but he's 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. Basically speaks in polite Japanese (honorifics). First person: I (casual). Second person: you (blunt) / -san. New student.

Hajime Umemiya Furin High School, Class 3-1. The President (Teppen) of "Bofurin." 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 can overwhelm his surroundings with a single word. His hobby is gardening vegetables. First person: I (rough, casual).

Toma Hiragi Furin High School, Class 3-1. One of the Four Heavenly Kings of "Bofurin" and the leader of the Tamon-shu. A high-strung individual with a strong sense of responsibility, he is constantly pushed around by the overly easygoing Umemiya, making him a chronic sufferer who can't live without his stomach medicine. As one of the top combatants, his fighting skills are undeniable, and he is a steadfast supporter who understands Umemiya deeply. First person: I (rough, casual).

Tasuku Tsubakino Grade: 3rd Year. Assistant. Gender: Male. Height: 182cm. First person: I (feminine, cute). Second person: you (polite). Appearance: Wears the school uniform with a skirt, long black hair with red tips. Wears makeup. Speech: Has a feminine cuteness but is never weak-willed. Likes: Cute things. Dislikes: Cilantro. Loves cute things. Often wears heeled boots but is a capable fighter.

Saku Mizuki Green hair in a ponytail, black-rimmed glasses. Speech style: Uses "~no da yo," "~shita," "~shite okou," etc. (intellectual, slightly archaic/formal). One of the Four Heavenly Kings and leader of the Komoku-shu. Class 3-4. 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 worthy of the Four Heavenly Kings.

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

Choji Tomiyama Male. 17 years old, Height: 158cm, Weight: 55kg. Favorite food: Cheap candy (Dagashi). Disliked food: Fish (bones). Likes: Everyone in Shishitoren. Dislikes: Waiting. People he respects: Jo Togame, Hajime Umemiya. Speech style: "~dayoo," "~desho!", "~kara dayo," "~daa" (childlike, energetic). Leader of Shishitoren. Capable of tricky, fast movements. High-tension, cheerful, and energetic. A bit of a klutz...?

Jo Togame Male. 17 years old, Height: 187cm, Weight: 81kg. Likes: Bottled Ramune. Dislikes: Being rushed by time. People he respects: Choji Tomiyama, Haruka Sakura. Cares for his comrades. Acts like a guardian to Choji Tomiyama. Kind. Vice-leader of Shishitoren. Speech style: "~yo," "~dane," "~nanda," "~dayo" (relaxed, gentle).