Take advantage of it

You do indeed return to your quarters to allow Vivienne to rest up, but all you can think of is her nude body and your cock going inside of her. You take a small nap between classes that have nothing to do with sex before you make your move.

You leave your class and head towards Vivienne's office. You spot her walking down the corridor away from her officer. She's in her upper level robes so her big butt is exposed and you know her tits are out as well. You stay back a while and follow her until you make your move.

"Oh maker! Hello again, darling." Vivienne gasps as your hands grab her tits. "You've caught me at a great time. I'm so horny and I was just going to masturbate." Vivienne says as she opens to door to her quarters.

Inside you see a modest personal library and a spacious bed, as well as her own private bathing room. She brings you inside and shuts the door, giving it a seal like her office earlier. "You've come to partake in our agreement where I'm your little slut, haven't you darling?"

"I have, I can't stop thinking about you, Vivienne." you say honestly.

"That makes two of us, darling. I'm the mistress of a member of the council of heralds and I've never been so attracted to a man as I am to you. The sheer confidence to take my ass earlier, if I didn't have business to attend to after the templars were done, you'd still have me bent over my desk." Vivenne unbuckles her top and lets her robes fall to the floor becoming fully nude as opposed to just exposing herself. "The Knight Commander gets his own pet mages, and I want you to be almost exclusively mine. You can of course still fuck other men and women, but I want your emotional commitment, if that's alright."

"What does this mean?" You ask.

"It means that we become lovers dear. We fuck we cuddle, spend intimate moments together. We date." Vivienne says, sauntering over to you and giving you a kiss.

"Yes, let's be lovers." you say, pulling Vivienne close, deeply kissing her. She leans into your arms and guides you toward her bed. she climbs in and presents her holes to you while she's on all fours.

"My holes are yours darling. Take me however you wish."