This is surprisingly fun! I've never come across a plot like this before.
Usually, it's the MC who gets isekai'd into a game world. But this time, the MC gets isekai'd into a ruined world and creates a game to recruit "heroes" to save it, all while making sure they never find out it's a real world and not just a game.
I really like this twist on the usual isekai formula! Hell yeah! I'm seated.
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
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the ones i think fits here are
https://www.mangago.me/read-manga/magical_realm_shopkeeper/
https://www.mangago.me/read-manga/divine_beast_kindergarten/
https://www.mangago.me/read-manga/underworld_restaurant/
Thank you so much