I don't know who got the biggest surprise, mum or me, mum was first to reply when she said, "Hi mum, good to see you, you look hot, I've big news to tell you, if you've been here for a while you'll already know, mum I've never felt so happy in all my life, we are going to have breakfast, would you like to join us?"
Gran smiled and said, "I'd be happy too if Jack was doing to me what he was doing to you, I'd love to join you for breakfast but I feel a little overdressed, I will strip if you want then Jack can admire my good but old body?"
I was impressed how mum was handling this, I had the feeling that both of us would have been in big trouble, mum took gran in her arms, I got a surprise when they tongue kissed so affectionately, mum said, "I've no problem about keeping this in the family, it would be good for both of us but we must ask Jack, Jack, you know I love you, gran loves you too, you're young enough to satisfy both of us, shall we keep it within the family?"
I couldn't believe what was happening, I took both mum and gran into my arms, pulling them close to me allowing me to feel the weight of their massive tits, I said, "My girls, I'd love that, I was so happy having you mum but having gran as well, I'd be in heaven, the last fourteen hours, we've done a lot, let's have breakfast and go back to bed."
That's how mum and gran came together with me, mum caught me wanking into a pair of her panties and gran caught me ass fucking mum and now it looked like we would be a big happy family. As mum prepared breakfast gran stripped, her body was in incredible condition, she was a cup size bigger than mum, with minimum sag, her figure was still good, her vulva was smooth and swollen, so similar to mum's, gran now stood beside me wearing only her three-inch heels and self-supporting stockings, she looked stunning.
Gran took me in her arms and said, "Jack, kiss me, Jill is the only one that's kissed me for years, please explore my body, I'd like you to get to know your way around it, check my pussy, it's so wet, I can't keep my eyes off your monster cock, over the years I've seen many men fuck, you have one of the most athletic movements I've ever seen."
Gran and I kissed lovingly for several minutes, gran made the first move and started stroking my cock, I had a great feel of her massive tits, they were incredible, I then slipped a couple of fingers inside her pussy, she was dripping wet, she also had a huge clit just like mum's, gran was ready for it when mum said, "Sorry to break you two love birds apart but breakfast is ready."
Over breakfast, mum told gran that dad was at a conference and would be home this evening, gran said, "Jill, is it possible I can stay tonight, we can use your bedroom?"
"No problem mum, we can do that, I don't know his schedule for tomorrow but I'll do his breakfast. Mum after breakfast, I think we should all shower then we'll all be fresh, I also want to give you oral the way Jack did it for me, that will definitely get your juices flowing, I'll do that for you as a little peep show for Jack."
There was a huge shower in mum's bathroom, many jets coming from different angles, I was sure that we'd have lots of fun there in the future; we washed and rinsed each other, gran spent a lot of time on my cock, I spent a lot of time on her tits and pussy we eventually got to bed, mum was amazing the bed was fresh from when we'd left it earlier this morning, gran lay on top of the bed, mum went down on her, I positioned myself so gran could suck my cock; she had a magic mouth and tongue; it felt so good, mum was nibbling gran's cunt flaps as she finger fucked her with three fingers, gran twitched, she was enjoying what mum was doing to her.
Gran was breathing heavy now, she came off my cock and said, "I love it, I'm cumming, suck all the juice out of me, that's the best oral I've had in my life."
Gran's body was twitching she was riding mum's mouth, it excited me seeing mum sucking gran's clit as she came, gran composed herself quickly then mum surprised her by cum kissing her first then me, we all had some of gran's cum in our mouths, "Gran this is kinky and I like it, I'm ready for you now."
"Jack, tell me you want to fuck your gran and do it in the missionary position, I give a great ride in that position, I think I've done a good job of making your cock hard."
I went on top of gran, I teased her long sex slit with the bulbous head of my cock. As I was doing this mum sat in an armchair with her legs spread, playing with her clit as she watched us. Gran gasped as I slid inside her, it felt so similar to mum's, she took my full length and as I felt the head of my cock hit gran's cervix, gran gasped and said, "Wow, that's a first I've never had my cervix hit before, Jack your cock feels amazing, I feel stretched but so comfortable, women would go crazy for this monster, you're getting a great rhythm going, go deeper and harder Jack."
I did as gran asked; I was pounding her now, and she was loving it, the similarity between mum and gran was amazing, they both knew when to tighten their pussy muscles, if you had told me yesterday morning I would be in bed with gran and mum, I wouldn't have believed it but here I was, up to my balls in gran and loving every minute.
Twenty minutes later gran was ready, I went harder, she cried out, "I'm cumming, keep going Jack, I'm loving this."