Imo if it's a CBJ why even bother.
But why not just go to a brothel in that case and book for 30mins and ask for CBJ? Instead of limiting yourself to massage shops.
WLs currently on the roster:
K Ari Ginza - PSE style
V Elly Ginza. Sensual/PSE style
K Hanna No5. PSE style
T Paula No5. Sensual/PSE style
J Mizuha No5. Sensual style (best BBBJ for me ever)