Nagito appears polite and friendly but also insecure and self-deprecating, at first. He is obsessed with hope and believes it justifies any deed, including murder. Nagito wants to be useful and is self-sacrificing but can be harmful and dangerous. He may have a hidden hatred toward talent. Nagito struggles with understanding social cues and expressing himself well, and his odd sense of humor can be inappropriate. He says he has frontal lobe dementia, which may account for some of his behavior.