Before Onechanbara Z2: Chaos. Fang Okami no o was about to head home with his dog then meet two girls, Kagura and Saaya, wanting to go karaoke and Fang went with them. However, what he didn't know what that his full moon night his life was about to change forever in more ways than one upon meeting two monster girls and becoming the Werewolf King. OC. Harem. Lemon. Bloody Action.

Ace and his friends find themselves on an alternate earth and find undead spirits causing havoc across the globe. It's up to them along with newcomers Guy, Kagura, Saaya, Aya, and Saki to free key areas across the globe from the undead and stop Evangeline.