Yui, a member of the swim club, was secretly dating Haruka, also a member of the same club. As the competition approached, Haruka was stressed out because her records weren't improving. Yui kindly supported her. One day, Haruka discovered that her teammate, Hinori, had a crush on Yui, and after seeing Yui's suggestive behavior, she felt a strange excitement and realized she had a desire to be taken. Haruka spread false information to Hinori, leading him to rape Yui. Haruka experienced an unusual excitement, and her perverted behavior and actions escalated...
