Incubus Quest

A war between succubi and incubi has been raging for years in Lugrand, and Shadow was unluckily born as the weakest incubus there ever was. When the succubi launch a surprise attack and capture or wipe out nearly the entire incubus population, Shadow makes it out thanks to a mysterious power he awakened to. But since he's the weakest, it's decided that he needs to train against humans before taking on the succubi. He teleports to Ardia, a different world where he'll gather experience and maybe make an ally or two. The problem is, he's so weak as an incubus he risks defeat even at the hand of (Storyline via IGDB)