There are actually remarkable similarities in culture which are possibly influenced due to both being iland states.
https://bccjacumen.com/uk%E2%80%93japan-closer-than-you-thin...
These do not dive all that much into sexual media however. The Anglo-Saxon is infamously sexually traditional and repressed, and the Englishman second only to the Australiaman. Australia recently actually banned the import of Japanese pornography.
https://www.youtube.com/watch?v=bDmbo5dxgQg
He's wrong, however — Eromanga Sensei is far from the worst. I would love for him to take a stab at Night Shift Nurses or Aki-Sora — the latter so amazing that even Tokyo itself made laws to contain it's carnal sins against mankind.
The tidyness, amazingly punctual trains, mountains and general conservatism make both those countries stand out.
I wonder how much it's the fault of the ridiculous Japanese trash collection system. Sorting the trash in 20 different bags that you can only dispose of once a month... No wonder at some point people just get fed up and throw it away in a somewhat hidden place.
That being said I can see an illegal trash site from my window, so I guess my reference point may be pretty far away from both the Swiss and Japanese standard.
Turns out a lot of "exotic" problems in this country are all too familiar.