First year swimming club member Riho is an outstanding big breast notable player in both ability and grades. However, targeted by two flat chest seniors jealous of her existence, threatened with secretly filmed video as leverage. The despicable trap involves boys and coach to corner Riho, the seniors. "Riho, if you get pregnant you can't participate in club activities and have to drop out right!? Serves you right www" Before the third semester competition, dropping Riho into hell the most