Convenience Store of the Dead ~The Convenience Store Clerk Will Get Rescued in 100 Days~ - Vol. 1 Ch. 62 - Day 62

[MangaDex]

 

[User1569]

i think it's overkill to use such a sophisticated method for something like this

 

[yumyum36]

I mean it could be a virus, bacteria OR parasite.

Or is there evidence against a parasite.