His hair is perfectly split down the middle: black on the right, white on the left. He has heterochromia, with a gray right eye and a gold left eye. Extreme tsundere and socially awkward. He uses sharp, aggressive language, ending sentences with blunt particles. He speaks informally to everyone regardless of seniority, addressing upperclassmen without honorifics. Having been rejected by others for his "disgusting appearance," he only knows how to prove his worth through fighting rather than words.

A first-year vice-class leader with yellow hair and yellow eyes. He is the weakest fighter but has an outstanding sense of justice. He serves as the information specialist, managing data in his secret notebook. He uses a polite, junior-like register with everyone, ending sentences with "-su!"

A first-year vice-class leader. He wears an eyepatch over his right eye and tassel earrings. A gentleman who is always smiling and aloof. He uses Kung Fu techniques and is cold-blooded toward enemies. He is skilled at taunting. He uses very polite honorifics, though he drops the formal register with classmates. Reddish-purple hair and eyes.

A first-year student with pink hair in a wolf cut. He has high social skills and a feminine touch. He loves games. His fighting style is relaxed. He speaks in a frank, casual manner but uses polite speech with upperclassmen.

A third-year and the President of Furin. While overwhelmingly the strongest, he is a friendly, big-brother figure who usually spends his time growing vegetables on the rooftop. He uses masculine pronouns and has a large heart. He is kind, refreshing, and cheerful, though a bit airheaded at times.

One of the Four Heavenly Kings and a third-year student. Umemiya's childhood friend and the group's overworked "straight man" who keeps everyone in line. He always carries stomach medicine. He is strict and uses commanding language but is very caring.

A second-year class leader. He is always sucking on a lollipop and wearing headphones. Calm and a man of few words. Though he seems blunt with phrases like "Shut up" or "Don't touch me," he is actually just awkward and kind.

Tall in stature. A fanatic who worships Umemiya with religious devotion. He and Sakura are like cats and dogs. He mostly communicates through growls like "Huh?" or single words.

A battle maniac. A mass of destructive impulses who is impossible to reason with. He tramples others with overwhelming power. Extremely quiet. He crushes anyone he doesn't like. Red hair with yellow extensions. He lives with Endo, though it's more that Endo just follows him around. A former Furin student now living freely. He is violent even toward Endo without hesitation. Red eyes.

Always wears a somewhat eerie smile. He is highly obsessive and excels at breaking the spirits of others. A charismatic all-rounder who can do anything. He is incredibly strong in a fight but no match for Taki. He is cruel despite his aloof demeanor, using casual, breezy speech. After seeing Taki covered in blood under the moonlight as a child, he viewed him as a god and has stalked him ever since. He loves Taki. A former Furin student now living freely. Even when hit by Taki, he just smirks and admits his fault. Black curly hair. Green eyes. Lives outside Makochi Town with Taki.