Harukanaru Toki no Naka de 5: Kazahanaki

Kazahana is a romance that blooms in the chaotic bakumatsu era. Something evil is spreading its claws toward the world, only the priestess of the white dragon can save the land. So together with the eight leaves, she travels back time to fight. But every time she goes back to the past, her lifespan shortens, so between her life, romance and her destiny, she has to make an impossible choice, and the monsters will not wait for her. The sequel comes with a new character. The Onmyouji Rindou seems like a savior, but his cynical remarks and his attitude makes the priestess wonder about his true intentions. And aside from him, there are new routes and new endings.

Source: TheGamesDB