Ui Aioi「相生初, Aioi Ui?」 is a protagonist of Imouto sae Ireba ii light novel series. She is a novelist who debuted at the 15th GF Bunko New Writers Contest, along with Aoba Kasamatsu, Makoto Yanagase, Yoshihiro Kiso, Soma Misaka, and Tadashi Kamo. She received the grand prize for the contest with her work, I Woke Up As The Demon Lord of Another World, So I Just Started A Harem.