Mr. Yamashita has been married for four years. Currently, she is a teacher at an English conversation school. She was busy with both husband and wife working, and it seems that the couple spent occasional holidays together. However, she said that since half a year ago, she has been spending holidays separately as a couple, and she has started to feel lonely. In such a situation, she receives a confession of her love from a student at school, and she has a physical relationship at least once. And by crossing her line, her cheating heart exploded...
