Ibu Himuro, the composed and elegant class president of RR Gakuen, commands respect as the "Oshare Bancho"—a stylish leader overseeing a student body from affluent backgrounds. Her sleek black hair and poised demeanor underscore her authoritative presence within the school's privileged environment. Tasked with maintaining order and managing student affairs, she embodies responsibility, her role as *iinchou* positioning her as a central pillar of discipline and structure among her peers. While her personal history and relationships remain undisclosed, her narrative focus centers on upholding the institution's standards through her unwavering dedication to leadership within RR Gakuen's opulent halls.