Ejaculation Dependence Improvement Treatment Center, Tenjin Yui. New medical professional Ms. A (pseudonym) will provide support to an exceptionally large penis suffering from abnormal sexual desire. START-631

This is Japan's only clinic dedicated to treating ejaculation addiction, including excessive sexual desire and masturbation addiction. The new nurse, Ms. Tenjin, whose younger brother is an ejaculation addiction patient himself, and his senior, Ms. Oura, sincerely face patients with out-of-control addiction and diligently provide sexual therapy. Sometimes, they even experience orgasm... This is a documentary closely recording a total of 30 ejaculations.