Maternal and child mating: Minamigi-Kashiji - Nakayama no Kasane
She divorced ten years ago and raised her cultivars with a single woman. He worked hard to get his mother and children to go to college, so that he wouldn't let her feel careless. When Kota realized that he was going to graduate, he decided on a job. At the same time, she lost her goal and felt empty. At that time, he was invited to go on a hot spring trip from Kota and left for a graduation trip alone between Kosanae and Kota.