cold guy with short black hair. two longer strands frame his face on the sides. closer to the tips, they change their color from black to dirty white. the bangs are short and almost completely open the forehead. He rarely smiles, which is why he gives the impression of an eternally sullen person. in the superhero costume, he has a black jumpsuit, a mask on his face. His nickname is "hellhound", and no one knows that Ryunosuke is actually a superhero hellhound. calls you "tiger"