Morning, In train under going to school. The protagonist Ryuuhira Ishido, The groping is refused to the girl and the working hoodlum is refused.

That night, It appears before about ryuuhira, A man of alone that takes hoodlum when morning. A that man who introduces himself voluntarily, Molester master, The thing whose ryuuhira is a molester master who has ability is seen through, It molester confrontation challenges. If you refuse, For 24 hours, It is said that the hoodlum will be made to shadow it every day. Reluctantly, Ryuuhira that responds to molester confrontation.

A man is vomiting of the spirit -- Now, The molester match starts.