Harukanaru Jikuu no Naka de 6

Harukanaru Jikuu no Naka de 6 summary:

From Transcendence Azusa, a normal high school girl, fell down the stairs while visiting her grandmother in the hospital two months ago. When she awoke, she was surrounded by people speaking of "The Priestess of the Dragon God," "The Imperial Capital," and "The Taisho (Era)." The legend starts again with this work, commemorating the 15th anniversary of the Haruka series!