If I understood you correctly you tried to book before the roster came out and then didn’t try to book after or at least not immediately after the roster came out. Ginza doesn’t take bookings before the roster. Their reception is by no means prefect but I never found them to play favourites. I don’t go there very often because the quality has been on the decline and their fake descriptions and photos have put me off. But I have never had issues booking popular girls like Mio and Miki. You just have to book quick enough when the roster comes out. I got lucky a couple of times I happen to check as the roster is updated and got bookings no issues even though I am not a regular. Like others have mentioned there are plenty of fishes in the sea and the overhyped girls are just that overhyped. I personally thought Mio was very disappointing average face and below standard service. I have seen Miki the last time around and you are not missing much. She was attractive but far from the prettiest girl at Ginza and she was pretty jaded after servicing countless guys for a long time. Her service was average too so I never repeated. Most older guys will remember towards the end of her last stay it was super easy to get a booking with her because of her service decline so I don’t get why she is all of the sudden more popular now that she is in her 30s. Maybe it’s a statement on the current quality of girls that guys are now fighting to see an older version of a girl they didn’t bother to book last time around.