Touge Oni: Primal Gods in Ancient Times, Vol. 1 — Kenji Tsurubuchi

Long before even the distant past, the land was ruled by powerful kami, gods as widely varied in form and temper as the parishes they governed, each possessing a unique sacred instrument. Traveling between their shrines in search of divine favor, the priest En the Layman and his two assistants brave dangerous terrain, fearsome creatures, and the wrath of kami themselves!