Responses
Don’t think it’s this one but maybe?
https://www.mangago.me/read-manga/sss_grade_cafe_in_front_of_the_dungeon/
If not then see if u find it on this page:
https://www.anime-planet.com/manga/tags/apocalypse
no its not this one but thank u for this suggestion i'll still read it
i;m look for a manga about a girl buys a convenience store manga because of apocalypse in the future manga