Yuri was separated from her son due to her husband's debts. Feeling lonely, Yuri comes to a hot spring where legend has it that you will meet the person you are looking for. Yuri greets a male tourist when she arrives at the inn. Yuri gets together with a male tourist at a drinking party. At that time, it turns out that Yuri and her son are long-lost mother and son... Kenji holds a grudge against his mother for abandoning him, and Yuri apologizes for that... My son says he can't see me as his mother anymore and if I think it's wrong, I should offer my body to him... Yuri offers her body to her son in response to his sorrow, and it feels good to have sex for the first time in a long time... Since then, mother and son have maintained a deep relationship...