Shun Hayakawa is a second-year university student. His problem is... premature ejaculation!! He musters up his courage and visits a clinic that specializes in curing premature ejaculation. To his surprise, the doctor there is a stunningly beautiful woman with big breasts...!! What is the naughty treatment the doctor recommends...? As he continues to visit the clinic, the relationship between the boy and the doctor gradually escalates... Will he be able to cure his premature ejaculation?
(Source: Fanza, translated)
Note: A live-action AV adaptation (MIMK-200) was released on July 15th, 2025.
