Shū Maiko (舞子 集, Maiko Shū) is a supporting character in the Nisekoi series. He is a companion and best friend of Raku, whom he has known since pre-school, and is often described as cheerful and silly, though a more serious side becomes percepible as the story progresses. Shū was the first person to find out on his own that Raku's and Chitoge's relationship was fake.