A pitiless demon becomes powerless after getting entangled with an icy heiress, who may hold the key to his lost abilities -- and his heart.

After being kidnapped and imprisoned for fifteen years, Oh Dae-Su is released, only to find that he must find his captor in five days.

The protagonist who reports the seller of a broken washing machine to the police, only to realize he's a psychopathic serial killer. It makes one rethink the purchase of second-hand items via online apps