Cool and laid-back Haruki is the object of Ritsu's longing for more attention. Wanting to get closer to him, Ritsu decides to join the personal gym where Haruki works. But when Ritsu sees Haruki friendly with other female clients, jealousy takes over and he ends up asking another trainer for help. Though seemingly indifferent, Haruki suddenly appears at Ritsu's place that night, claiming "I won't let any other man touch you," seizing his lips and dominating him with fiercely possessive affection...!