A second-year student attending Ryuugamine Private Senior High School, he's a sensitive boy. Yaichi and Haruho met when she was in her fifth year of primary school. Having just moved moved to Kagawa Prefecture, she couldn't approach her new classmates to make friends. When she was upset, Yaichi approached and cheered her up. From then on, they became friends. [Partial translations of both Photograph Journey's profiles of him.]