Azusa, who divorced 20 years ago, raised Taiichi on her own. Taiichi graduated from university and joined a magazine editing production company, and child-rearing also reached a conclusion. However, Taiichi's editing production company was extremely black-hearted, with no days off and working from morning to night every day. Concerned about Taiichi, Azusa forced him to take time off by saying his grandfather had passed away and took him on a hot spring trip.
