Miko Hime Inma Den - Ishu Shokushu Ikenie Naedoko | 巫女姫淫魔伝 異種触手・生贄苗床

Once every hundred years, a village must make a sacrifice to the demon gods or perish. The heroine, Saya Kamizuki, comes from a family of priestesses with divine powers. The day of the once-in-a-century sacrifice is about to arrive. However, her older sister, Mahiru, takes her place. Saya, who is opposed to the idea, is locked up, her sister is sacrificed and goes missing... In order to save her sister, Saya goes to the storehouse where the demon gods are enshrined, carrying a Japanese sword for demon extermination.

I will cut off the demon god and end this fate.