The End of the World: Living Corpses and Dead People

[It's a very different kind of survival in the apocalypse, and it's no lie. [Slow-heating type, no harem, not invincible, reasonable, zombie but not completely zombie, no super powers, no system, there is a female protagonist but not procrastinating, after all, you don't know whether she is a human or something now] an otherwise harmless marine fungus A heavy rain that lasted for several days An unprecedented comet spectacle When they appeared at the same time, they brought about a harm that could destroy the world: Sirkus virus. Killings, despair... All impact this already fragile world. But when you are a game fan, a two-dimensional otaku, and a very good person, and you also have a "sister" with a special identity. How much improvisation and contrasting behavior can he show when trying to survive in such an environment? ——This is a scene that every middle school boy has fantasized about, right? Yes. So... Does this count now? Oh~ It turns out it's already true, hahaha, it's really ridiculous. [This book is original, any similarity is purely accidental]