Kagerou is one of the few known males of Class 2-γΈ ("2-He", or "2-6"/"2-F") and the actual Class Representative, cursed with invisibility to the point of vanishing in thin air. To add humiliation to lack of presence, he can only be seen when his balding head is exposed. His name derives from "ε½±γθγ" - "kage ga usui" ("overshadowed"), and his surname also refers to his thinning hairline.