It all depends on the type and what sort of nationalities you're after.
E.g.
J girls, Kiko or Lynka from 42G
K girls, Jessie or Rebecca from Ginza
T girls, Naomi from N5M
GFE, Kiko
PSE, Jessie
Busty, Naomi
Etc etc
Look through their rosters and if you'd like what you see then read up the AR