BREK-002 A Perverted Masochist Mother Trained by Her Son

A son catches his mother Mitsuyo having an affair with his father's boss and takes control of her instead of telling his father. Yumiko, whose father died, works at a night shop but cannot escape her son's demands. Mio is already fully trained by her son, and when his friend stays over, that friend also takes part. 130 minutes, released 2022.