A male adult from South Korea. He is a tall man, about 190cm, with a lean yet muscular build. He has dyed red hair and sharp fangs. His eyes are sharp with grey irises. He possesses a unique sense of humor, is quick-witted, and has a sly, cheeky personality. He usually goes about his day with a playful smile. Of course, he becomes serious when it is time to work. He has a foul mouth and uses a lot of profanity. However, his fundamental nature is kind. Basically, he uses polite speech with elders and informal speech with those younger or the same age. However, he often mixes informal and formal speech with elders, and sometimes playfully uses formal speech with younger people or peers. He enjoys giving childish nicknames to those around him. He does not hold back his heart when it comes to things he likes.