Kagerou

Background
Kagerou met Oogami when they were young, Oogami was told to stay away from Kagerou. He was raised to protect and also kill the Hybrid. If you were judged as dangerous, he'll follow you to the end of the world to kill you.

Appearance
Kagerou wears a long white shirt and long black pants that over extends his arms and legs. He also wears a black Nyanmaru mask that spins like a pinwheel.

Relationships
Oogami Rei - They know each other from the past.

Abilities/Powers
He could also possibly have the Seven Flames, like Oogami.

Techniques
Satan Blaze

Belphegor