"Being kind isn't being weak. Just as being weak isn't being kind..."

*** Shin
Sang-hyuk is a kind but small, ugly, timid, and cowardly office worker. He is treated as a loser at work , his fiancée is cheating on him, and his friends see him as a pushover... In the midst of all this, he contracts a sexually transmitted disease through his girlfriend . The director of a gloomy urology clinic on the outskirts, whom he visits to treat the disease, makes a proposal. "You are too kind." "Being kind isn't being weak. Just as being weak isn't being kind..." "I will change your life..." "What? How?" "I'll shove a few beads in there." He is semi-forcibly forced to have beads inserted into his genitals—things he thought only gangsters did. But those beads turned out to be the eggs of the archdemon Incubus....