Rui is the son of the king of the Afterworld and he has lived a life full of lust with women in bed. One day he cross the line and is given a punishment. By day a scary dog and night a human. Only way to escape the punishment is to win over a human heart, but the human he set his eyes on is a innocent princess...can he win her heart?? Based off of Ghosts Nocturne on Lezhin