BRK-016 - Breaking my mother's sanity: The twisted training of Nagisa

A casual comment from a friend drives Yoshio to madness, making him see his mother, Nagisa, as a sexual object. After forcing himself on her one night, a twisted cycle of training begins. He treats her like a pet, restraining her and using toys to break her spirit. Despite the shame, Nagisa finds herself addicted to the depravity, and their forbidden relationship spirals further out of control.