The story of a shy high school boy who let his lover steal it from his classmates. He got to know his girlfriend, Shion Yumi, who was very liberal and always took the initiative in everything, but he was shy, even if his lover deliberately brought it to his mouth, he didn't know how to eat.
And the ending is that Yankee's classmate noticed his girlfriend Shion so he planned to rape her and then record the clip and send it to him.