Mother-son incest bath. With my mother while stealing my father's attention...

Yusuke, who graduated from a university in Tokyo and got a job in the city, went on a two-night, three-day hot spring trip with his parents to fulfill his filial piety. Yusuke, who had been aware of his mother Yurie as a woman since he was a child, could no longer control his emotions and forcibly had sex with Yurie without his father's eyes. Yusuke's mind is torn between a sense of accomplishment and guilt...even though he knows it's not good, his mind and body are going out of control...