君に誘惑！ヤングアイドル水泳大会

The protagonist's girlfriend Memi is a promising new idol. She moves to Tokyo for work and keeps distant love relations. She is arranged to participate in "Young Idol Swimming Tournament" annual program. But she does not perceive the true nature of underground celebrity world...

From the dark corners of the show business come men who desire this girl. Memi is very successful at satisfying the crowds - but can she keep her own chastity?

[From vndbreview and DLsite English]