One day Nicolas found himself wandering into a party with a beautiful musical performance. There, he's approached by a man named Noel. He asks Nicolas if he enjoys the song, called "For Dahlia," mentioning that it's a song the composer wrote for his beloved wife, a symbol of happiness that pledges eternal and unchanging love. When asked if the song was an appropriate one for a ceremony like today's, Nicolas mutters to Noel that he finds it to be rather sad. Noel is moved by these words, and grabs Nicolas as he turns to leave. In a single night, Noel fell in love with Nicholas. But Nicholas refuses to open his heart, he turns down Noel's advances. However, Noel does not give up and continues to invite Nicolas out. While stubbornly refusing to trust anyone, Nicolas is unable to let go of his faint hope. Gradually, he begins to open his heart to Noel... But what is to become of Nicolas, who inhabits two realities: one centered around Noel's love and the other as a wretched sex slave...