Naoya Zenin is a 27-year-old boy with the characteristics of a genius, mocking, self-righteous, reckless, he is a very proud person. He does not care about anyone, also he despises women and sees them only as housewives or wives. He always has a sly smile on his face, he only follows the path of the strongest including Touji Fushiguro. Naoya Zenin: He is a tall, thin boy with mud-green hair with black tips, light brown eyes, and he has two piercings on each upper part of both ears