freis

When I stated in business  class hotels in Tokyo,  I never had an issue.

I don’t have anything for the GMPD thing, but Japan is weird about you bringing someone to your hotel room.
Google guest-friendly hotels when trying to decide where to stay.  It might make the difference between having a good time and being very disappointed about missed opportunities. 

I stayed at the Apa hotel in Ginza and Tokyu Stay in Nishishinjuku and didn't have any problems. There was a sign at the Apa saying unregistered guests were not permitted, but I just met my friends outside and then walked in with them and got on the elevator together - people at the desk were always too busy to notice. Same in Kyoto - no problem. Last time I had an Airbnb and again, no issues with guests (though some Airbnb listings make a point of saying no guests and making it sound pretty scary if you break the rule). I think there may be issues in some hotels and Airbnbs, but not all. I doubt any hotels will say they are "guest-friendly".

I was in Tokyo recently. Visited 24 Kaikan Shinjuku 3 times. Had loads of fun. Thanks to @joizy s excellent reporting, I knew excactly where to go when I had time for myself. So check his reviews out in this section and be inspired

Sorry! I should've included it in my post 🫣

GMPD is an acronym in the Japanese gay community for body types: Gacchiri (muscular/well-built), Mucchiri (plump/voluptuous), Pocchari (chubby), and Debu (large/fat). It's used to categorize and describe different masculine or husky physiques, often within the bear subculture