Izumi Makihara (牧原和泉)
The childhood friend of Yuu and Hime, and was also Yuu's love interest. She died 2 years before the series began but seems to be harbouring a secret from Yuu and Hime, and many mysteries surround her death in which Yuu was blamed responsible.
Voice Actors
Sakura Nogawa
Japanese
So Eun Lee
Korean