I'm a woman, but even if I had more than one, it was OK without a sticker.
Once inside, there was a sticker that was forbidden for tattoos, but I was able to get a scrape, ...
I put the whole body carved.
Whole body Japanese carving OK.
It's a chest split whole body sculpture
It's okay if you follow the manners.
Perhaps there is no refusal in the public bath in Shinjuku Ward?
They welcomed me if I followed the manners
no problem. Everyone can enter.