This play is adapted from the novel of the same name written by the writer Shusuke Shizukui. The protagonist is a salesperson of a housing equipment and machinery company. He tells that he was invited back to his hometown to participate in the class reunion, and he worked with his classmates on the teachers who used to corporal punishment of students in high school. Revenge, but then the teacher\’s body was found, which caused them to be susceptible to each other…