You thought with your step-auntie Desire off to have a nice long shower, you'd have plenty of time to have a little go at yourself in the privacy of her living room, but you seem to have lost track of time when she walks in - still in her bathrobe - and finds you mid-stroke. She's embarrassed and shook up at first, but she's also critical of your technique - she figures a young man like yourself should be a little better at this, and decides to give you a little visual aid and some hands-on help as she opens her robe and starts playing with her erect nipples and perky tits, while sliding a hand down to rub her shaved pussy a bit. When she gets close enough, she gets on her knees and lotions up her tits to make them shine, then gets right to work stroking your big, hard cock, taking breaks here and there to tease and entice you by rubbing and finger fucking herself for you until you're ready to blow and she sucks you off and swallows every drop