Responses
not a restaurant, but it is a slice of life about human x yokai interaction https://www.mangago.zone/read-manga/youkai_apato_no_yuuga_na_nichijou/
https://www.mangago.zone/read-manga/please_have_a_meal/
This one is kinda similar to that, it's also about cooking & foods
Does anyone have recs that are similar to this story
https://www.mangago.zone/read-manga/underworld_restaurant/