Ryo is a regular customer at Misaki's cafe.

He has been shunned by people around him because of his appearance, but he has feelings for Misaki, who remains unchanged even in front of him.
Meanwhile, Misaki also looks like a typical delinquent, but she is actually attracted to the honest Ryo.

One day, Ryo goes out to buy a birthday present for Misaki. While he is clumsy at conveying his feelings to her, he sees Misaki walking with a male friend. This triggers Ryo's dark obsession with Misaki to get out of control--

"Look at me, and no one else."
"You can't live without me anymore."

Misaki is given violent pleasure by sex with Ryo's well-trained body, which is overwhelmingly different from hers-- and she can no longer resist--