Prestige exclusive actress Konomi Nagisa, working as the swimming team's manager, begins supporting her teammates using her proud H-cup breasts! One day, she discovers an old manager's notebook in the club room, detailing a special training method used by seniors who aimed for the national championships. The method? Boldly managing the athletes' sexual desires using their bodies! Konomi takes charge of the team's sexual needs using her large breasts, and one by one, the members who had been struggling to improve their records start achieving new personal bests. To endure intense training, she calls in new recruits and unleashes a unique form of support—letting the lewd manager's body overflow with cum. Taking full responsibility for motivating practice and handling sexual relief, Konomi leads the team members to even greater heights!