Sonju

Sonju (a.k.a. Sung-Joo) is a demon that lives outside Grace Field House. He saved Ray just before he was captured by his demon-hound pursuers. He and Mujika were suspected to be demons by Ray.

He has a different religion that stops him from eating humans.

He tells Emma and Ray that the world is divided into two, the Human World and the Demon World as made by the promised contract.

Appearance
Sonju is seen to have a white-horned mask covering his face and long black spiky hair.

Personality
Sonju says their religion stops them from eating humans. He prays before eating.

History
He teaches Emma archery and spears. She then asks him how to kill and hunt. chapter 49