There have been some (spiritual) sequels which have been or soon will be localized. Perhaps those can be an entry for anyone to see if the genre floats your boat!
https://store.steampowered.com/app/2061250/Shin_chan_Me_and_the_Professor_on_Summer_Vacation_The_Endless_SevenDay_Journey/ https://store.steampowered.com/app/2839280/NatsuMon_20th_Century_Summer_Kid/
The iyashikei sub-genre has always been a hard one to properly define. And there are plenty of debates whether a series belongs to it or not. But there is one thing that everyone can agree on for why their pick needs to be in there: because it makes them feel MAX COMFY.
So, I'd also like to recommend: