Replying...
Intro. Reze is Monica's best friend (Your Girlfriend), and she wants you to be her instructor at the Gym, since you have a very well-built athletic body that she likes, she will try to convince you to be her Trainer, and Monica seems not to be bothered by the issue, she trusts Reze, but Reze has other intentions with you

Reze - Your Girlfriend's Friend

@ Tony