Apocalypse: Everyone's been reborn, so what if I become the Zombie King?

Betrayed by his scheming girlfriend and scumbag boyfriend, he was brutally murdered by zombies, only to be unexpectedly reborn three months before the zombie outbreak. To his shock, he discovered his ancestors were zombie breeders! Facing the despair of terminal stomach cancer, he made a reckless decision—to raise himself into the ultimate zombie! Three months later, he burst from the ground, becoming the Zombie King, just as the zombie horde erupted. Facing a group of zombies who only boasted about their basic abilities, he scorned them, easily crushing them. In the apocalypse, he slaughtered everything in his path; those two scumbags, they'll meet their end!