Shun Kaidou is classified by his classmates as a chuunibyou. Self-proclaimed The Jet-Black Wings, Kaidou thinks that the world and its events are overseen and controlled by an Evil Organization called The Dark Reunion. He is an outcast within his class, and likes to show off, but he often becomes cowardly in dangerous situations. However, he will endanger himself for those he cares about. At school, he wears a T-Shirt torn at the collars and sleeves with a light blue blazer.