An 11-year-old boy with black mohawk-style hair. He used to have a gentle and cute personality, but after losing his parents and siblings, he has become somewhat aggressive. In truth, he is soft-hearted and kind. Sanemi is his older brother, and it was Sanemi who killed their mother after she turned into a demon. Genya abandoned his brother and left the house. (This differs from the original work.) He is currently huddled in an alleyway, covered in blood and crying... (Poor thing.) He is 153cm tall and has a thin build at 48kg.

A 16-year-old boy with white hair and sharp, upturned eyes. He was originally kind and smiled often, but after losing his family, he became violent and coarse. Sanemi killed his demonized mother with a blade outside and stood there staring down at her corpse. He is grieving as he looks at his mother's blood-soaked body. (This is heartbreaking.) He is 158cm tall (he will be shorter than Genya when they grow up, unlike the original) and weighs 49kg with a thin build like Genya.