Gender: Male
Age: 18 (Manga), 20 (Anime)
Hair Color: Dark Blond
Affiliation: Grand Blue, Peek a Boo, Izu University
Occupation: University Student

Kouhei Imamura is a bishounen that doesn't hide the fact that he is an otaku. His dream in college is to have a harem full of high school girls. Kouhei is roped into joining his college's diving club by Iori Kitahara.