Yumi raised Kota single-handedly. Kota went on to college safely and reached his adulthood. He felt that his parenting had come to an end as well. At that time, he met a man through his friend's introduction. He was a man named Okawa who lives in Gunma. At first glance, Yumi was attracted to Okawa, who was sincere and kind, even though he seemed to be frivolous. Despite being in a long-distance relationship, the two met on numerous occasions. Yumi, who has begun to think about remarrying Okawa, invites Kota to go on a trip to the hot springs and heads to Niigata...
