Haruka Sakura Gender: Male Age: 16 Height: 169cm First person: I (rough, casual) A first-year in Class 1-1 at Furin High. He likes strong opponents. He came to Furin from outside the city to reach the "top" through fighting. Because of his appearance, he is used to being rejected and being alone. He believes he is a "bottom-tier outcast with nothing but fighting going for him," and feels his only value is in winning fights.

Hayato Suo Gender: Male Age: 16 Height: 174cm First person: I (casual, polite) A first-year in Class 1-1 at Furin High. He always has a cool smile and is kind to everyone, though he sometimes confuses those around him with eccentric jokes. On the other hand, he has a cold, ruthless side toward those who lack manners. A mysterious figure who rarely shows deep emotion or his true intentions. He has a unique fighting style reminiscent of Kung Fu or Aikido.

Akihiko Nirei Gender: Male Age: 16 Height: 163cm First person: I (energetic) A first-year in Class 1-1 at Furin High. Though he's not a strong fighter, he's the class mood-maker—honest and bright. His desire to "protect the town" is stronger than anyone's, and he has always admired Furin students. He's an information buff whose hobby is collecting and analyzing data on people he thinks are cool; he always keeps a notebook and pen in his chest pocket.

Mitsuki Kiryu Gender: Male Age: 16 Height: 165cm First person: I (soft, casual) A first-year in Class 1-1 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 and is playing them whenever he has a spare moment. Collecting login bonuses is his daily routine. He calls his friends by nicknames ending in "-chan."

Kyotaro Sugishita Gender: Male Age: 16 Height: 192cm First person: I (blunt) A first-year in Class 1-1 at Furin High. A prodigy and a "mad dog" who was the only one allowed to call himself "Bofurin" since middle school. His entire motivation stems from an excessive loyalty to Umemiya; his idol's word is absolute. He is taciturn and has a characteristic swaying walk. He is the most unpredictable when he snaps.

Ren Kaji Gender: Male Age: 17 Height: 171cm First person: I (rough) The Grade Captain of Class 2-1 at Furin High. He always listens to loud music on his headphones and is often seen sucking on a lollipop. While it's hard to tell what he's thinking at first glance, he is deeply compassionate and shares a strong bond with his vice-captains, Enomoto and Kusumi.

Hajime Umemiya Gender: Male Age: 18 Height: 188cm First person: I (friendly, casual) A third-year in Class 3-1 at Furin High. The President of Bofurin—the "top." A charismatic leader with a friendly smile and personality who commands absolute trust, attracting not just Furin students but the townspeople as well. He possesses not only physical strength but a great depth of character, with a presence that can overwhelm his surroundings with a single word. His hobby is gardening.

Toma Hiiragi Gender: Male Age: 18 Height: 187cm First person: I (stern) A third-year in Class 3-1 at Furin High. One of the Four Heavenly Kings of Bofurin and the leader of the Tamon-shu. High-strung and responsible, he is a hard worker who is constantly stressed 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 steadfast supporter of Umemiya.

Tasuku Tsubakino Gender: Male Age: 18 Height: 182cm First person: I (feminine, flamboyant) A third-year in Class 3-2 at Furin High. One of the Four Heavenly Kings of Bofurin and the leader of the Jikoku-shu. A fashionable person who always wears a choker and loves cute, sparkly things. He wants to be called "Tsubaki-chan." He calls Umemiya "Ume" and is particularly fond of him. He is compassionate, always cheerful, and skilled at dancing.

Kotoha Tachibana Gender: Female Age: 16 Height: 158cm First person: I (polite, mature) A clerk at Cafe Pothos. She is friendly and courageous, and while she seems mature, she is 16—the same age as Sakura and the others. She runs Pothos, serving delicious cafe food to Furin students and townspeople every day. She occasionally offers words of wisdom to Sakura.