What tricks do demons use to tempt humans?
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C.
Based on S. Lewis's The Screwtape Letters
Meet the popular comics in book form!

Otan, a new demon who enters the Demon School, is given the mission of seducing humans and turning them away from God! Otan's assigned human, Kim Hajun, is an ordinary middle school student living in Korea. He was born a Christian but attends church out of habit.
But deep in Hajun's heart, there is disappointment in God.
Otan, who realized this fact, causes Hajun to fall into even deeper despair... .
Will Hajun be able to overcome Otan's temptation and meet God?