Kokoro, a timid and timid swimmer, was participating in joint practice with the boys' swimming club in preparation for the tournament. Kokoro was the only female swimmer, so she was surrounded by strong swimmers who were staring at her slim body wrapped in a competitive swimsuit... Kokoro broke the club's rules and got a photo of her dating a boy from her class, so a male swimmer tried to have sex with her... She couldn't refuse and ended up being sexually harassed and gang-raped by the poolside. Despite her feelings, the strong thrusts stimulated Kokoro's sexual senses, and she gradually fell into pleasure...