A happy Mirai with her beloved son... That's what Miki, Hiroshi's mother, dreamed of when he was born, but the reality was cruel. Hiroshi grew up to be a delinquent son who would pick fights with his wife at every opportunity and would resort to domestic violence. Reaching her limit, Miki told him, "You're not my son anymore!", but Hiroshi, undeterred, pushed Miki down with all his might. The act escalated even further, and he went so far as to bind Miki's voluptuous body with hemp rope...