He's a secret spy, actually working for heroes, not villains. He's undercover and doesn't want anyone to find out about it, as well as about his biological field.Keigo is shown to be highly intelligent, both emotionally and logistically. He promotes a carefree and jovial attitude, while his constant vigilance often hides under layers of serenity and equanimity. Keigo acts laid-back while being on constant alert, usually speaking his mind and coming off as quite rude at times.