"Can I see you again? I understand if it was a one off, but I really want more."
The message had sat on my phone for over an hour and I'd still not technically opened it. I knew once it was officially 'read' I would have to respond, and I wanted to run it by Erica, first.
I'd taken Emma's virginity in a quick, hard bathroom fuck at her 18th birthday party just over a fortnight earlier. Daughter of a family friend, and a former pupil of mine, it had been fraught with risk if we'd been caught, but she'd snuck into the bathroom behind me and practically demanded I be her first. Call me weak, but it didn't take long to persuade me, even with her family and friends, including a number of other former pupils, just downstairs.
I had a feeling I knew what Erica's response would be - she'd already said she'd be happy to invite Emma to 'babysit' after I'd told her about what happened, but I knew if I played this the right way, "more" could mean regular liaisons. In my experience, my wife's input could definitely make the difference between one further night and a series of sexual encounters.
I had been lucky to see the message as it appeared - Emma didn't have my number but had clearly found me through her mum's Facebook account, contacting me through messenger, and the message had popped up just before I'd left work, allowing me to read the notification without opening the message itself.
As I contemplated the potential of the pretty, athletic 18 year old wanting to become a regular fixture in our lives, the door opened and in walked my wife, preceded by our two children, who I hoisted up high into big hugs before kissing Erica with a smile.
As coats and shoes came off, I handed her my phone, opening up the message as I did so. A grin spread across my wife's gorgeous face. "That the eighteen year old?"
I nodded.
"I told you there was no way that was stopping as a one off!" She grinned slyly as the children disappeared into the living room. "Maybe you weren't exaggerating at her knees buckling after all," she continued quietly, with a wink.
I laughed. Emma's knees had indeed buckled in orgasm as I licked her from behind, but a lot of that had been situational - it had taken one lick, and I had every intention of eating her pussy extensively, hopefully to several orgasms, if I got the chance again.
With Erica's blessing, I sent a quick response, "You know I'd love to see you again, Emma - when are you available?" and then that night, once the children were in bed, Erica and I coordinated some flirting and arranged for Emma to come and visit the following Saturday afternoon - one of the kids had been invited to a birthday party and Erica said she would take them to her mum's afterwards to make sure I had plenty of time.
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I'd kissed Erica goodbye about half an hour earlier when the knock came at the door. Sure enough, Emma was the person stood on the other side when I opened up, smiling somewhat nervously as I grinned and invited her in with a kiss on the cheek. She looked gorgeous but appropriately innocent for her first visit to my house - blonde hair up in a pony tail and wearing a blue top and a denim skirt - her toned and slim legs catching my eye immediately, with a white jacket and white converse - I'd told her not to dress up too much or I think she'd have worn heels. She blushed slightly as my eyes roved her body, but she had come with one intention and my attention brought a smile to her lips.
Our house is on a corner on our estate, and the front door isn't overlooked from anywhere, which has been a real bonus since we moved here, allowing for us to have our partners to visit without inviting any questions from nosy neighbours!
Emma stopped nervously as she stepped inside, looking around at the pictures and canvases of our family on the walls. "Are you sure I should be here?" she asked before I could reassure her. "I mean, you're married and..."
I cut her off. "My wife already knows you're here. She wholeheartedly approves and wants you to be comfortable."
Emma's mouth dropped open and her face told a story of disbelief and possibly even annoyance - I supposed she thought I was taking her for an idiot.
I quickly brought up Erica's most recent message, "Has she arrived yet? Hope you two have fun!" and showed Emma, whose disbelief became confoundment, before I offered her a drink, and she asked for a glass of water.
I invited her further into the house - she'd stalled in the entranceway - and took her jacket to hang up, revealing her pretty shoulders and collarbones barely covered by thin straps on her top. We sat in the living room after I'd collected her a glass of water, Emma still clearly nervous, from the way she perched on the edge of the sofa.
"Would you like me to explain?"
Emma simply nodded her response - she'd clearly been nervous that she was turning up to start a fully fledged affair with a married man, and now that perception was being challenged. She was inexperienced after all, losing her virginity to me only recently, and it was unlikely her world view on how relationships work had been challenged by the idea of an open marriage before now.
I explained to her about Erica being bisexual and how our open marriage allows us to explore other people sexually, both apart and together. Emma was noticeably finding it hard to comprehend, and asked quite a lot of questions after initially listening in silence. Nothing new of course - we've fielded all of these questions, "Doesn't she get jealous?" "Do you always tell her?" "Does she sleep with people too?" far too many times to be surprised by them!