Despite facing disrespect from those who view him as cursed, the priest Mamoru Yamaemori declares his objective to become the most powerful sacrifice. He dedicates himself to purging the perilous "Tengu" creatures that pose a threat to human lives in the mountains, but his courageous actions are met with no praise. Unfortunately, Mamoru meets a tragic fate while pursuing his endeavor to hunt vicious beasts, utilizing "life" as bait, with only his younger siblings standing by him. Full of enigma, this story unfolds as battles against monsters and the protection of life become the central focus.
