Start the story(Aaron's pov)

I reached home after a long day of work. Annoying clients, old equipment and uncompromising co workers had taken their toll on me. All i wanted was a long shower.

I undressed in my room down to my boxers. Jenny and I were quite free with each other, walking around the house with only our underwear on.

The bathroom was occupied though. Jenny had arrived and was cooling off no doubt. As a martial artist who taught at the local gym, she was a master in multiple forms and tring to get into the mma.

I knocked lightly. "Almost done" came a voice from inside.

The door opened a minute later. Jenny stood at the door with a towel wrapped around her. It covered her from the top of her breasts to just above her knees.

Instantly my dick started throbbing, signalling the start of an erection. Usually the sight of my half naked roommate would mean an evening of masturbation...