Umezaki Yuuga (梅咲優雅 Umezaki Yūga?) is most likely a non-existent character made up by Tsuchimikado Motoharu. Mentioned in the 7th light novel volume of Shinyaku Toaru Majutsu no Index as a magician, Kamijou Touma tries to attempt to stop him from sucking out all of the knowledge and skills of everyone within 5 kilometers, with the center being School Garden.