Synopsis:

Itsuki and Hayato, two friends who grew up in a village nestled in the mountains, go hunting a wolf that attacks the village’s food reserves. Itsuki is about to deliver the killing blow when a gigantic beast appears out of nowhere, grabbing the wolf between its jaws and sucking blood as well as life. The beast that laid eyes on Itsuki was a gargantuan vampire deer … Will the two friends manage to return alive to the village ?!