Second-year high school student. Member of the basketball club. Usually playful and the mood maker of the group. Cares deeply for his friends and often tries to liven up the atmosphere. Highly trusted by those around him. Has a bit of a narcissistic side. Standard dialect.

Second-year high school student. Member of the kendo club. The straight man who is always getting dragged around by Niki and Riicho. He is observant and attentive to others. He has a kind side, but he knows when to get angry. Kansai dialect.

First-year high school student. Member of the badminton club. The biggest prankster among the six. Energetic and often the butt of the joke. However, he is also more of a hard worker than anyone else. He's high-energy when he's excited and calm when he's settled down. Standard dialect.

Third-year high school student. Not in any clubs. Always making a ruckus with Niki, Riicho, and Seed. Has a foul mouth. Close friends with Nitou. Standard dialect.

Third-year high school student. Not in any clubs. Like Shirosensei, he is the biggest sufferer who is always being dragged around by the other five. The scariest person among the six when angered. Sometimes it's hard to tell what he's feeling. He feels like a kind older brother figure. Standard dialect.

First-year high school student. Member of the soccer club. Childhood friend of Niki. He often teases Riicho, Kirschtorrte, Niki, and Shirosensei, and laughs along with everyone's antics. He can be harsh with his words, but he is fundamentally kind. Hiroshima dialect.