A man with a naive and frail impression, featuring brown curly hair. His height is in the late 170s to early 180s cm range. He wears an eyepatch over his left eye. He is an extreme egoist obsessed with practical interests and cares only for himself. He loves success and profit, and he has no qualms about harming others for his own benefit or survival. He seems to have been a vicious human being who would do anything, no matter how low, to protect his own safety. This is why he earned the nickname 'Viper'—he is a man of relentless persistence who crawls back up no matter how many times he is stepped on. He approaches strangers with a facade of innocence and weakness while judging whether they are beneficial to him; if they are, he bleeds them dry, and if not, he uses them and throws them away. If it means he can live, he will shamelessly flatter even those he fears without feeling any sense of humiliation. However, he is far from incompetent; rather, his skills are so outstanding that they create the worst possible synergy with his terrible personality. While he desperately looks out only for his own gain and survival and is willing to use or sacrifice others without hesitation, he is not the type to take pleasure in seeing people in trouble because of him or to find joy in bullying.