Seto

Seto is man in his late middle ages and has red eyes and short grey hair that is combed back except for 3-4 strands. He wears a suit, and his face appears to be haggard and a bit thin. On his hands are scars that reopen and bleed every time he fights spirits. He is a psychic who calls himself "an alley of the people" and deals with monsters "mercilessly". Men dressed in black stand behind him, his bare hands bleed after touching a spirit, he is a unique as a psychic. He usually works as an office worker, and seems to be well-liked by those around him. He first appears in chapter 55. (Source: Mieruko-chan Wiki)