I don't know if she works at Lavender, I didn't have a session there with Yumi yet, but I doubt it, since it was described as "star at Lavender".
Yumi @GRW was very restrictive, got as far as topless in 2 visits, average massage above average, sensual HJ.
Asked her where does she work on Saturday's, since I only hobby on weekends she said Yonge and I quote "cant remember".
Also asked what's the spa called, but she could not name it.
I didn't get the feeling that she didn't want to tell me, it was just she could not verbalize it, her English is very weak.
Yumi @GRW is petite, skinny about 5'3", small A, she is around mid/late 20's. Long black hair, reaching half way down her back.
With mask on her body is similar to Rena's, except she is an inch or 2 taller.
I hope this helps...