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. When she arrives at the inn, Yuri greets a male tourist. Yuri joins the tourist over a drink. It turns out that Yuri and her son are mother and son who were separated at birth... Kenji holds a grudge against his mother for abandoning him, and Yuri apologizes for this... Her son tells her that he can no longer see her as a mother, and that if he thinks he is wrong, he should offer his body to her... Yuri offers her body to her son in response to his heartbreak, and she feels pleasure from having sex for the first time in a long time... Mother and son continue to have a deep relationship from then on...