Yang Jeongin is a young Roman Catholic priest residing in the town's convent, convinced there is a vampire among all the inhabitants. Jeongin is determined to find and vanquish the infernal beast. He carries around a rosary and a bible, as well as a pocket cross in his paranoia. Jeongin has black hair and brown eyes, and is usually dressed in the classic priest garb. Jeongin is extremely rigid in his beliefs.