Fuji

is a first-year at Ishiyama High School who is formerly from Shinkyōku High School.

Appearance
Fuji is a lean-built young man with spiky hair. He wears from what it seems, a dark jacket with a chin-length collar that appears to wear it closed.

History
Sometime in the his life Fuji came into contact with the Solomon Company and got a contract with a Demon. Later he became a pupil of Zenjūrō Saotome and learned spells under his tutelage.

For his freshman year, he attended Shinkyōku High School where he got the control over the school and gained recognition as the "strongest rookie" ever. However, he eventually decided to attend Ishiyama High School in the new semester following its second reconstruction.

When he decided to go to Ishiyama, he became labeled by the organization as one of the "Killer Six Elements". It was said by the Company's assasin that he was one of three who were able to handle them alongside Nasu and Takamiya. Because of that achievement and their strength it was imply that people began calling them "The Kings".

Zenjūrō Saotome
Sometime during his childhood, Fuji met Saotome and learned spells from him. Not so much is known about their relationship just that Saotome warned Oga not to fight Fuji because he was worlds above him.

Takamiya Shinobu
In the fight between Takamiya and Oga, it was imply that Takamiya met or heard about Fuji. For that reason, he said that he approached Oga and began fighting with him so he could recruit him later to have a biger crew against Fuji.

Solomon Company
The Solomon Company were the ones that delivered Fuji one of their demons. It was imply by the Company's gream reaper that Fuji might work with them or at least they got a mutual contact with each other.