1st Year Student Father's Occupation: Helps run the temple nearby Ryoma Echizen is the protagonist of the Prince of Tennis series. He is the son of Echizen Nanjirō and Takeuchi-Echizen Rinko. He first appears in chapter 1 when he criticized a high school student for the lesser knowledge of grips. (Source: Kuryujiru LJ and Prince of Tennis Wiki)

Iruma Suzuki is a 14-year-old human boy who is sent to the netherworld when his selfish parents sell him to a demon named Sullivan. He is a cheerful and mild-natured boy who has a habit of being a pushover and unable to turn down an earnest request. Sullivan asks Iruma to be his grandson and enrolls him in the Babyls Demon School, where he is placed in the Misfit class along with his classmates, Asmodeus Alice and Clara Valac. Terrified of being found out as a human and being eaten, Iruma must learn to adjust to his new life in the netherworld and blend in with his demon classmates at school.