Rui raised Tatsuya with just one female hand and sent Tatsuya to college, and when she noticed, it was the year she graduated from college and she decided to get a job in the real estate industry. This is a paragraph even if you raise a child. When I thought about it, I felt like I had a hole in my heart. In spring, Tatsuya will live alone in Tokyo. When I was feeling lonely, Tatsuya invited me to a hot spring trip. "I want to go on a graduation trip with my mother who even entered the university," Tatsuya Ruito set out on a graduation trip for just two people ....