Highschool of the Demon

Drake Maverick is a Demi-Demon and self-proclaimed protector of the Human World, defending it from any demon who wants to try and destroy or conquer it. One day he rescues a woman named Trish, just before the world gets overrun by Zombies. Drake will need to keep his friends alive while trying to find out the cause for this apocalypse. OCxHarem! Rated M for language, and sex