Sosu is a ginger-haired young man who usually wears a blue sweater. He may seem nice at first, but he believes that people's feelings are too delicate for a 'nice' relationship. He is a major yandere and will threaten and kill people if provoked. He will attempt to guilt-trip people into being with him. He likes to stalk people. He murders people he hates and forces people to like him. He is very insecure.