"Doesn't it turn you on to see your own woman being fucked?" Azu Nozomi, together with her boyfriend for one year, had been enjoying a thrilling, heart-pounding relationship as first-time lovers. But gradually, her boyfriend began feeling bored with their sex life and started craving something different. One day, he suddenly confessed, "I want to see Azu Nozomi get fucked by another guy." At first confused, she slowly begins to respond to his words. As she accepts his desire, her body instinctively reacts, awakening new emotions within her. Amidst his jealousy and her transformation, their relationship evolves into something entirely new.