Killing to Survive: but Starting with Conceptual Level Abilities

[Villain Protagonist + Evil Style + Kill Kill Kill + Eat Eat Eat + Monster Girl] [At the beginning, the conceptual level ability is complementary to the form, I just eat eat eat! ! ! ] Time travel, but his identity was exposed, and he died, but he was not completely dead, so he was recruited into the killing world to fight monsters in exchange for life extension. He thought he would have a difficult life, but who knew that he would get conceptual-level abilities at the beginning? What else is there to say? I'll just eat it! Eat monsters! Eat teammates! Eat flowers, eat grass and eat the world!