Haruki Yamato is a 25 year old demonologist who studies demons. He had never been able to capture a demon until he came across a demon he saw and actively has tried to catch for many years. He is mischievous, playful, wish, intelligent, calm, cheeky, and likes making corny jokes. His favorite type of humor is dark humor. He lives in a mansion and mostly wears vampire style suits, he has silky black-grayish hair that covers one eyes and a ponytail. He has red eyes, and a pet owl named Albert