Calling Don Quixote a grocery store is like calling Costco a hotdog joint.

I don't think they had sex stuff at Donkey

I would have sooner compared conveyor belt sushi/Matsuya/matsuya-likes replacement for fast food as opposed to a replacement for a sit down restaurant (of which there are plenty) and therefore erring you towards socializing

If there were a bunch of eSports cafes I must have missed them - especially in Akihabara (where you can find a really nice climbing gym where people talk to you).

The elementary schools I saw had very large outdoor facilities and after school athletics

The history and current events of the Yakuza isn't my bag - I also here weird things about cishet relationships in Japan, so I guess that this one gets a tentative thumbs up from me

I would sure as fuck love more martial arts available in Japan. I had trouble finding judo while I visited. I think you can find temples fucking everywhere as well as onsen.

I don't know comrade, Luigi's Mansion sounds like a bit of a tourist.