Namito Nagumo is a member of the trio known as MM3 at Musashino Moriyama Gakuen. He is characterized by his slightly mischievous and ecchi tendencies, though he also has a fondness for sweets. As one of the three popular and troublesome boys in the school, he often finds himself involved in the antics surrounding the student council president, Mimi Kitagami. Namito is particularly close with his fellow MM3 members Toujou Ushio and Ao Nishizaki, and together they form a tight-knit group. His romantic interest lies with Anju Sano, a fellow student, and this relationship occasionally becomes a focus of the story. Over the course of the series, Namito's role evolves from a mere troublemaker to a more supportive friend, though he retains his playful personality. He does not possess any extraordinary abilities but relies on his charm and social connections to navigate school life.