Ryoko, who divorced her husband 10 years ago, has raised Hiroaki with just one woman. Hiroaki graduated and decided to get a job, probably because he was desperately raised so as not to make him feel pity. I was relieved that my child-rearing had settled down, but on the other hand, I felt like I had lost my life goals and had a gap in my heart. Having such loneliness, Hiroaki invited me to a hot spring trip. "I want to go on a graduation trip with my mom who even went to college." Ryoko and Hiroaki set out on a graduation trip with just two people ...
