Rebellious Stepdaughter Forced to Hold Her Urine: Punished with Relentless Thrusts Until She Breaks (2019)

Miyuki Arisaka stars as a defiant stepdaughter who treats her stepfather with nothing but contempt, calling him 'gross' and 'disgusting' despite his financial support. Deciding she needs a severe lesson in discipline, the stepfather secretly laces her drink with diuretics and blocks access to the bathroom. As she reaches her physical limit, he begins a brutal 'punishment' session. He ignores her pleas and continues the assault even after she reaches multiple climaxes and loses bladder control, refusing to stop until her rebellious attitude is completely crushed. A 120-minute dark drama exploring the limits of endurance and discipline.