Zombie no Afureta Sekai de Ore dake ga Osowarenai

In an instant, the daily life of Takemura, an office worker who hates people, changed. Before he knew it, he found himself in a world full of zombies. But for some reason, he is the only one who is not attacked by the zombies. "Helping people? Why would I do that? I'm going to live in this world as...