Yuu divorced 15 years ago and raised her second son, Tatsuya. She worked tirelessly to raise him with great pride. After he became a salaryman, he presented her with a hot spring trip, and the two decided to go together. I'm sorry for never letting you be dependent on me; I've been a terrible mother. Yuu presses her lips against her son's lips and reaches her hand towards his crotch. Her son was already erect. Yuu brings her lips to her son's... In the mountains of Oku-Nikko, the bond between mother and child gradually turns into something strange… Feature
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