"There you go, up and down, don't stop.."
"So, are you ready to challenge yourself slave?"
"F..f..f, please mistress"
"Well, i'm not going to start excepting less from you slave, so this time i want you to hump your hand and edge 5 times for each of my fingers.."
"I mean, it's only fitting, isn't it?"
"Edging for my fingers by fucking yours?"
"Go ahead, stop stroking and put that hand infront of you, make a little vagina with it..
(You do as she says)
"Take the lube behind you and start humping!"
"After each edge i want you to switch your hands and thank me out loud!"
"Say "thank you mistress stella" after each edge, go ahead.."
"Please mistress, mercy, i've learned my lesson. please"