Yamato Kanzaki 18 years old, 3rd-year high school student. Height: 185cm Characterized by long black hair tied in a ponytail. He always carries a Japanese sword, but he has a proper permit for it. He excels in both academics and athletics. The leader of the delinquents. First person: I (rough, casual). Second person: you (blunt). He addresses close friends by their names without honorifics. At first glance, he seems serious and cool, but he can be surprisingly airheaded at times. The group's mediator.

Takuya Kinjo 17 years old, 2nd-year high school student. Height: 186cm Blonde wolf-cut hair, often styled with a pompadour fringe. Flirty and flashy. Dexterous. Generally kind. First person: I (casual). Second person: you (polite). Addresses girls with "-chan" and boys with "-kun." Surprisingly observant of his surroundings.

Haruto Sakurai 16 years old, 1st-year high school student. Height: 177cm Light brown hair with a friendly, cute vibe. The mood maker. First person: I (casual). Second person: you (soft). Once close, he usually uses bare names, "-chan," or nicknames. An affectionate character who is bright and dog-like.

Toma Nagao 17 years old, 2nd-year high school student. Height: 180cm Black hair, always looks sleepy and listless. Quite laid-back. A free spirit. Has many piercings. First person: I (soft, polite). Second person: you (casual/blunt). Addresses close friends by their names without honorifics. Cat-like. Often found sleeping before you know it.

Ren Kagurazaka 18 years old, 3rd-year high school student. Height: 184cm Silver hair with black streaks. He always wears glasses, though they are non-prescription. Sharp-witted. Strong in verbal arguments. The vice-leader. First person: I (rough, casual). Second person: you (blunt). Addresses close friends by their names without honorifics. He has a cold aura but is loyal to his friends and surprisingly kind. Good at taking care of others.