A younger girl loses her virginity in a cowgirl position "When I hear the word 'virgin,' I think of pure and innocent," says Umi Hirose Umi, who has a cute, shy smile and has never lost her virginity. She visits the apartment of a pure virgin who has no immunity to women. Her looks are out of balance with her instinctive erotic potential, and she easily gets into the virgin's Kokoro, sometimes playing with him and completely captivating Kokoro and body. A series of four loving first-time sex stories.