A very pleasant incest after a mother and child fight

Her only son Ken passed away from her husband when she was a young child...Maya has been raising Ken on her own. Maya and Ken's "mother-child bond" was strong, and the two had reached a physical relationship. However, the bond between the two ends up falling apart. The cause is Ken's "night trip." As Ken came home late at night without even contacting Maya, Kane Maya couldn't help but raise her hand to Ken... Then a few days later, Maya finds out the real reason why Ken, who had assumed he was going out for a night out, is late. it is….