In a room equipped with four unmanned cameras, an experiment takes place where women desperately hold in their urine. This 13th installment of the intense documentary-style series sets a rule: participants already feel a strong urge to pee at the start, and must endure until a timer sounds. After the first timer goes off, a second timer begins, requiring an additional 16 minutes of endurance. As they struggle to hold on, the women share personal stories about urination, pressing their fingers against their crotches, writhing their legs and hips—visibly expressing the agony of restraint. When the timer finally rings, there's a brief moment of relief, but opening a box reveals an even more challenging twist. Despite muttering curses, the women continue enduring. The urination scenes are edited in dual and triple angles, and those who managed to hold it receive urine volume measurements. Bladder distension is also recorded. In this installment, four women end up wetting themselves, while three reach their limit and fully release. Born from correspondence with supporter A and continuously evolving through audience feedback, this series showcases diverse, individualized expressions of endurance. Seven women participate, all showing their faces.