After the death of his wife, Nayeon, Sungkyu's life becomes hell. 2 years after her death he attempts suiciding, but fails and find himself face to face with Woohyun, a former classmate whose prank introduced Sungkyu to Nayeon in the first place. Soon enough the two find themselves in a war against fallen angels, where Sungkyu takes on the form of a monster in order to seal them in hell. At the end, despite beginning his life anew with Mina (former classmate as well), Sungkyu is forced to dea

A story about a boy called Sungkyu and his final high school year. The days spent in high school are often the most dynamic time in one's life, with some days being good and others, just plain bad... On a bad day, Sungkyu takes the fall for his best friend, Hoya, during a poopy situation, and as a result, he would encounter different parts of his heart that were unknown to him down the road.