Guilds

A strange virus spreads across the globe, killing thousands and leaving billions infected. Only a small amount of people are able to continue living in and putting up this corrupt world - even if it means dating a cute zombie guy who tried to kill you...

I think that this is already the name of a TV show or a film but I like it soooooo yeah
also I got the idea for this story off a film called 'warm bodies' and a webtoon called 'Boyfriend of the dead'