Yui, who got married to her husband who has a stepchild, works hard to live alone with her son Jun, even though she is annoyed by unfamiliar parenting.She was supposed to live a happy married life, but her ex-boyfriend suddenly visits her. She said, "...why didn't you marry me?"Her son-in-law, Jun, who was watching the whole story.In the end, it was decided that he would be violated even in front of his son-in-law...Four other episodes.