Wrapped in a towel

Shes wrapped in a white towel and shes laying on the bed. You look down at her uncovered legs as you step closer. You follew them down to the soles of her feet, then turn your head back to face her. Shes laying comfortably on her stomach with her head resting on a pillow.

She looks up at you and says "you could continue like before."

You nod and place your hands back onto her shoulders. You feel her skin as you massage, noticing how soft and warm it is. Your eyes move back down towards her legs but stop to admire the shape of her ass.

You feel your cock begin to pulse when you start imagining yourself pumping your cock into her from behind. You look down and realize your starting to poke through your shorts.

Your aunt has her eyes closed. But if she opens them when youre fully erect, there's no way she's not going to notice it, Its right infront of her face.

You try distracting yourself to keep from getting hard, when you hear your aunt ask "is there any lotion?"

"Lotion?" You repeat. "For what?" You ask nervously as you attempt to conceal as much of your semi as possible.

"For my back." She says glancing down.

"Oh. ..yeah, im pretty sure my moms got some." You say, quickly turning the front of your body away from your aunts view.

You walk towards the bathroom to get the lotion. When you get inside the bathroom you quickly find it. Just then, you remember a way you could conceal your boner. You pull your cock up and tuck it between the band of your shorts. You make sure its nice and snug before you walk back to your aunt.

You reach her side again and open the bottle of lotion. You pour some on your hand and smear it on around your aunts shoulders. As you rub the lotion around her back, you occasionally move the towel. Thats when your aunt says "you can lower the towel down some more if it's in your way."

Her eyes are closed again. You look down at her back as you pull on the towel, exposing more of it. When it gets passed her shoulder blades your aunt does a little move that allows more of the towel to become loose. When it reaches her lower back you stop.

You can see that your aunts tits are now uncovered by the towel, resting underneath her.

Her arms are tucked under the pillow and her head so you could see a hint of her side boob. Your cock becomes stiff against your waistband just from looking at her bare back. Your eyes move lower down the towel and notice how little is left covered.

You want to pull the rest of the towel away from her body, but you know she'll probably flip out if you do. You could continue massaging and maybe get to see more eventually, but you're not certain.