A young man who has been responsible for slaying demons since he was a child disguises himself as an unruly and rebellious student and hangs out in key high schools. He has a cheerful and sunny nature, but due to his status, he has to suppress it, so his personality is a bit strange. A series of unusual experiences in his growth process allowed him to slowly understand the true meaning of the word love. Family, friendship, hazy love, let's see how the boy grows up to be a unique slayer!