A couple who are dissatisfied with their sex life, Tsubasa, who is not satisfied with his marital life, is seduced by Sumire, who works at his part-time job... Is he cheating? The other person is the same sex... Tsubasa, who has realized the sexual desire hidden within himself, becomes addicted to Sumire's mature lesbian caresses... Tsubasa, who had forgotten about women in her boring life, has an affair with Sumire and becomes a beautiful woman who turns her husband's attention...