The Demon Clan's Wrongful Love

I'm terrible at writing blurbs. There are more than just humans in this world. Many other races live hidden on the fringes of human history... An ordinary human boy turns out to have nonhuman blood. What kind of future will his identity bring him? The girl Yueyu falls in love with a boy who has a responsibility he cannot shirk. What kind of future awaits them? And the girl's identity is far more complicated than it seems... Theme: