Harukanaru Toki no Naka de 4

The heroine Ashihara Chihiro is a normal high school girl until one day a mysterious man informed her that she is a princess from Toyoashira. Following this alarming piece of news, a battle with a monster ensues where she discovers her powers as well as that of her teacher and best friend.

More discoveries about her past and her fallen country are made when she wakes up in the world she fled from when she was a child. After battles against monsters she realized her role in this calamity as "Ryu...