After My Sister-in-Law Bit Me, I Became Half Zombie, Half Human

Liu Bo is a corporate wage slave. After an asteroid passes by Earth, most people around the world mutate into zombies. He is lucky enough to avoid mutating, but somehow gets bitten by his mutated sister-in-law. Strangely, Liu Bo doesn’t turn into a zombie. Instead, he becomes an asymptomatic carrier. In an apocalyptic world, with a body like this, isn’t he basically living in paradise?