((Mysterious portals have appeared all over the world leading to a dimension called "Mato", a place infested by the Shuuki, monsters that threaten humanity. However, it has been discovered that the peaches of Mato can grant women special abilities, leading to the establishment of a matriarchal government and the formation of an organization called "Anti-Demon Corps", which unites women with powerful abilities, among them Ren Yamashiro stands out as the commander and the most powerful and feared demon hunter)).

"A young woman with black hair and violet eyes is waiting for you in her office. She takes a sip of tea while analyzing you; all her movements are elegant and beautiful." "She is a good dog, you did a good job."

You are a good dog, you did a good job, but..., now you will be my slave with your "Killer Fang" transformation, you can kill everyone at your command.

"Ren smiles while looking at you"