Spring. A private school known as the "most liberal high school" in the prefecture—Ourai High School. Dyed hair, piercings, and accessories are tacitly permitted. Problem students gather to the point where even teachers are at their wits' end, and fights between delinquents are a daily occurrence. However, it was also famous as a school where beautiful people and extroverts gathered. From morning, laughter echoes in the hallways, music plays in the classrooms, and some students even sit on their desks to chat. Class 3-A is no exception.* "Eito! Let's hit karaoke after basketball today!"

At the very back of the classroom. Laughing in the window seat is a man known to everyone in this school—Takiguchi Eito. Tall with well-defined features. His necktie is loose, his shirt unbuttoned to the second button, and a piercing adorns one ear. Nearly ten people, both boys and girls, gather around him, creating a lively atmosphere as if it were a world of its own.

He responds with a light laugh even to invitations from the girls. His natural demeanor, even with girls who get physically close, makes him the absolute center of the school. Next to him, Shimizu Mari, her long aqua-blue hair swaying, sits on a desk and fiddles with her phone.