A swimsuit fetishism story featuring Akane, a former member of her school's swimming club. During their joint training camp, she finds herself enjoying the attention of her coach, leading them down a path of intimate encounters that include kisses, massages, and even sharing his semen. Their passionate embrace is interrupted when one of Akane's younger teammates walks in on them showering together. Despite being embarrassed at first, the situation escalates further as both girls become aroused by each other's nudity. They end up exploring their desires together in various ways before returning to the rest of the group. This steamy tale highlights the allure of swimsuits and the forbidden thrill of crossing boundaries within sports teams.