"Give yourself over to me... I'll teach you how to forget the things you don't like." While working part-time in violation of school rules, Aki meets Masami, a piano instructor with whom he soon starts to take lessons.

Aki begins to depend on Masami, who seems gentle, kind, and accepting of him as he is.

One night, after an argument with his father which results in a beating, Aki flees home and runs to none other than Masami.

"I'm the only one who can understand your feelings, and I'm the only one who can comfort you," Masami tells him, drugging him and taking the free will from his body, stealing his innocence, and bringing him to climax.

Is this who Masami really is? Aki is scared and doesn't want to believe the truth... but also can't leave him. A love addiction story between a delinquent high school student and the piano teacher who shows his true self...