A national group that girls all over Japan once dreamed of. Young girls were gathered as trainees, but only a few were able to become the main group. So it's no surprise that one of the remaining trainees, Michiru Kosaka, decides to turn into a sexy talent! She'll reuse the Kokoro and body she honed as an idol as an outlet for men's desires! By the way, even though she's a sexy talent, does she have sex?