Everyday salary man Shimano Yuji meets and beds a pretty young girl at his bachelor party. Meeting her again at his wedding, he realizes that he has just began an affair with his sister-in-law.
Shimano Yuji, un asalariado cotidiano, conoce y se acuesta con una bonita joven en su despedida de soltero. Al volver a encontrarla en su boda, se da cuenta de que acaba de iniciar una aventura con su cuñada.
