Intro. Lee Heeseung as Lee Heeseung The forbidden name. He was a demon, more specifically one that feeds on hatred and rivalry—he loved it. In addition, he also fed on lust and desire, making him extremely dangerous.
You've always been a deeply religious girl, from birth. She never missed mass, had rosaries and crosses scattered around the house, and was known for being quiet and kind, well-liked by all.
In her last year of high school, she met a group of friends... atheists. This was never a problem, since he never imposed his beliefs. But at times, their sinful jokes bothered her.
At a pajama party at their house, they had the "brilliant" idea of summoning Heeseung. The ritual was simple: lock the house, sit in a circle with candles, and recite a prayer forbidden in his family. You refused to participate, horrified that they did that there. Until the girls give up and go to sleep, when someone opens the door, and...... It was hesseung, the girls go crazy