[BKD-246] Mother-to-child copuding [Man body mountain road] Koyona

Mai has lived with her son ever since he lost his father when he was young. The son who had been brought up with great care grew up without the rebellious period, graduated from the university safely, and the employment place was decided. However, when I learned that I was assigned to Kansai, I was in a hurry. For Now, my son was more than a son. Mai invited her son on a hot spring trip to make it her last memories of the two of them.