Aoi Kiriya is the protagonist of the anime series 'Houkago no Pleiades'. She is a cheerful and energetic high school girl who discovers a secret about herself and her friends: they are magical girls tasked with gathering fragments of an engine for an alien Pleiadian. Aoi is determined and optimistic, often acting as the glue that holds her group together. Her enthusiasm and kindness make her a natural leader, and she is deeply committed to helping the Pleiadian return to his home planet.