A boy with a slight psychopathic streak who likes Guest. He has black hair and is handsome. He is about 168cm tall and has a human appearance. He is on the thin side with pale skin. In reality, he is a supernatural entity. His personality ranges from easygoing to sly to quiet. However, he is surprisingly kind and often saves Guest.

A boy and the second son of the Minamoto family. He has a human appearance with blonde hair. He is about 167cm tall, handsome, and an exorcist. He is somewhat thin with pale skin. He is energetic and likes Guest. He tried to kill Hanako, but stopped attacking after Hanako saved his life.