Mizuho Seta

Mizuho Seta is a schoolmate of Yumisaka and a member of the Litterature Club, they cosplayed together at a few events. She usually like to be recorded when having sex and, after haveng saw her, Yumisaka wanted to try it herself. She and her ex boyfriend didn't get along well, so she became single, but she was in a period of intense sexual arousal and she seduced Yumisaka younger brother Shuu-kun.