Bulgeun Bamui Gagin, Exchanging Heart, Exchanging Hearts, The Imprint of a Red Night, The Red Night Inn, The Red Night Spirit, The Stamp Seal of the Red Night, 붉은 밤의 각인
HyeonRyeong lives inbetween the world of the living and the world of the dead due to his heart having been switched with Gwi-Ho’s. When HyeonRyeong's village is hit with a string of mysterious murders, a powerful and mysterious shaman-girl named GabJin shows up. And as HyeonRyeong's demonization speeds up, he and GabJin set off on a journey to find Gwi-Ho in order to turn him back into a human.
Source: Hour of Lunacy