Ami Kashiwagi, the captain of the swim team, is summoned by her coach after skipping practice just before the national championships. The reason? She's become infatuated with her new boyfriend. After vowing to cut ties with him and refocus on swimming, Ami is subjected to "private lessons" by her deviant coach. The story unfolds with the coach exploiting Ami's position as a top athlete, indulging in her fit, voluptuous body clad in a tight school swimsuit, blending uniform fetish, leg fetish, and whip elements throughout the intense training sessions.