When you're an assassin hired to kill a princess, you do not expect to be thrown into hell for doing so. Neither do you expect the same princess that was supposed to be dead, to come and rescue you because she wants revenge. Not on you, but on the person that hired you. Problem is, when the world you're plunged into is full of mythical creatures, a human could never kill a vampire. So I sign the contract and my innocence, my humanity was gone. I became a killer, designed to be indestructible for her use. But the devil was always going to stab me in the back.
When humans are on the verge of extinction the immortals step in to save the species. Every remaining human belongs to an immortal mythical being, many humans want to fight for their survival. They want to bounce back, and they're coming back swinging. Not Abebe, he's a lover of both his master and the man who he loves is an immortal. But his master has plans. Follow Abebe and see if he sticks with his principles or changes tune.