Riku Aoba

Riku is a second-year student at class 2-A, a member of School Cultural Festival Organization Committee and Sayuri Amamiya's classmate. Before transferring to Tsugumi, Riku used to live in a snowy harbor in the northeast of Hokkaido. He is often a target of a series of bizarre events and races administered by the school council where Tsukasa Kasuga, Sayuri and Mina Yayoi compete for his affections.