After getting divorced 20 years ago, Haruka raised Kojiro single-handedly. Kojiro successfully graduated from university and joined an advertising agency. He thought that this would be the end of his child-raising, but... The advertising agency I joined was a transcendent black company, and it was like there were no holidays. Kojiro's mind and body were getting weaker and weaker. Worried about Kojiro, Haruka forces him to take a day off and takes him on a trip to the hot springs for a change of pace...
