Devil on the Crossroad

Born into a religious family with a catholic mother & a shaman dad ,Yoon decides to follow the path of a veterinarian ..but due to his blood phobia he ended up hurling most of the time during anatomy classes ..while drinking & explain his situation to his only friend .. both decides to go to the nearby mountain & make a contract with the demon ..What Yoon thought to be failure turned out to be truth & he ends up making a contract with the demon