Koeru Nobagoshi, also called Nova, is a character from the WIXOSS universe. She belongs to the team Uchu no Hajimari with Dr. Tamago and Bang, assisting Dr. Tamago in his university laboratory.

Her appearance features dark brown hair with distinct hot pink streaks, pointed elf ears, and pink eyes. A facial mark adorns her face, complemented by metal ear rings and a choker. She possesses black bat wings and wears black bracelets on both wrists. Her outfit consists of a short black and white top worn over a violet bra, a black belt decorated with metal triangular prisms, and a small white skirt. She wears panty hose displaying violet diamond patterns on the sides and long white high-heeled boots with black cuffs and curved violet toes.