I am not someone who tends to give advice to others but there are way too many obvious red flags in your situation that I would really encourage you to look at before you get in too deep. Be careful:)
Almost an edging type of massage as below. Don't think I would have the control to last. Maybe should start a new edging thread!
https://www.pornhub.com/view_video.php?viewkey=ph5b9133bec34aa