Women need permission to express their real desires.
A few drinks gives them that out. "It just happened."
But it is really about them knowing you really want them to express and act on their real desires.
Arrange for a guy to teach you both massage.
Then pre-plan with him how if she responds you can have it go further.
This way she a polite way out if there is no chemistry.
you need to set some rules. How you are involved. Never on her own. You have to be involved in some way. even if you meet the guys first. set at the table and just watch.