My first bi experience

I had been visiting Mistress Venus for about 2 years by now, we had been having lots of fun discovering things I liked, didn’t like, and those that I was not bothered about but would endure because Mistress enjoyed them. We had discovered over this time I was a bit of slut, and really enjoyed strapon play. Mistress would regularly have me on my knees sucking and licking on her strap-on cock, even deepthroating me which I loved, the feeling of the cock sliding back and down my throat seemed so natural, holding it there, cutting off my air supply, making me gag and drool, before bending me over, spreading my legs and impaling me on her cock, as she fucked my ass to oblivion on occasion even making me cum just from this as she rubbed my prostate and gave me the most amazing all over body orgasm without even touching my cock.

So it was at the end of one of our sessions during our wind down chat/cuppa that she mentioned she had another sub who loved to watch, and would I mind if he watched one of our sessions, as he was some what a voyeur, and just wanted to wank off whilst watching us. I had to think about this….what if I knew the person, what if they knew me, what would they say or do? Mistress could see the worry on my face, we discussed my feelings and anxieties and came to realize that if I did know them, they would also not want me to ‘out’ them, as after all as far as I knew none of my friends or colleagues were into this, and thus it was a risk for them as well. I had to think about this though and went home with all these thoughts in my head, of I’m not gay, although I love sucking a strap-on, a real cock is a different matter, but I want to please Mistress and be a good little subby for her.

These thoughts kept rolling around in my head over the next few days and weeks, until I found myself booking in for my next session and saying, yes Mistress, I will allow this other sub to watch, and so it was the day arrived. I again made my way down those now familiar steps to the basement and knocked on the door. As usual I was greeted by Pam the maid and shown into the dungeon, where I stripped off and knelt naked with my hand upturned on my thighs, head bowed waiting for Mistress. I could hear some muffled talking outside the door to the dungeon, Mistress was talking to, no she was telling someone, to wait there. In she strode, walking straight to me, I looked up at her as instructed, the worry must’ve been etched on my face, as patted me on the head and said nothing to worry about my little subby slut.

We started our session in the usual way, being tied to the cross for some whipping and flogging, and soon I was lost to my usual thoughts and had forgotten all about the upcoming interloper to our playtime. After a while Mistress had me laid on my back on her bench, my legs spread apart with a spreader bar, and secured to the ceiling so that my bum just about overhung the end of the bench. Some clover clamps on a chain were attached to my nipples and again gently stretched and secured on high. Mistress walking round, blindfolding me, whispering in my ear in her soft sexy voice how she was going to fuck me like the slut id become. I heard her walk away, her heels clicking on the wooden floor, I assumed to get her strapon ready to fuck me.

As I heard walking back across the room my heart began to race as it always did at this point, as I really enjoyed her fucking me and pulling on my nipples as she did so. I felt the usual smearing of lube on my ass and the tip of the strapon nudging me, mmmmmm, in it went sliding itself into my greedy hole. Mistress began fucking me slowly getting faster and deeper until i was taking all 8 inches in me, i felt her lean over me and pull on my nipple chain as I let out a small whimper. She carried on fucking my ass, as she removed the blindfold revealing herself bent over me and smiling that beautiful sadistic smile she had.

At this point my head was turned to the side and there stood in the doorway was this strange guy, watching us intently, smiling, but with his hands behind his back standing there, when I noticed something strange about him, his cock was contained in some sort of plastic thing….omg he was wearing a chastity device. Mistress topped fucking cam round and bent down next to me, ‘its time slut’ she whispered in my ear, ‘let me introduce you to slave John’ as she beckoned him over. Standing there next to me I could see his cock was straining in the cage. You know the rules John she said, as she released him from his confinement, and said begin.

There I was restrained on this bench watching another guy wank himself off, as Mistress began fucking my mouth, I could tell she was teasing him, as she was being so slow and deliberate with her thrusting, and the angle she was doing it, giving John a full view, laughing as she did so. ‘John wants to watch you cum slut. Should I let him?’ I nodded as best I could with her strapon down my throat. Mistress withdrew and walked round beside me so she could wank me and watch John at the same time, my head was spinning why did I find this so enjoyable, Id never been naked with another guy (except in showers at cricket and rugby clubs after matches), but it felt good, maybe because Mistress was there I thought. We went on like this for what seemed ages, I was under performing and could not cum, but Mistress carried on, with John wanking his cock just inches from my face, whilst watching Mistress pump my cock.

‘Go on slut, you know you want to’ Mistress whispered in my ear ‘you want to take it for me don’t you slut’ I was lost in the sensations and nodded, opening my mouth and licking my lips. Mistress was pulling on my nipple chain as she said be nice, at which point John approached and put his cock on my lips, my tongue instinctively licked the tip, ‘See you do want it slut’ was all I heard as John slowly put his cock in my mouth, and began to gently fuck my mouth. OMG I thought is this really happening…..i’m here sucking off some guy I’ve never met, but why does it feel so right. Mistress re-positioned herself and again started fucking my ass as I sucked on my first ever real cock, both of them fucking in unison, all I could hear was Mistress laughing and encouraging. I was lost to the sensations, when I felt a hand on my own cock again, thinking it was Mistress I relaxed and just went with the flow, letting the feelings of joy flood over me.

Mistress was really pounding into my ass now, I was gone heading into subspace, I didn’t care now. The clamps were taken off my nipples omg yes that did it, I couldn’t hold back any more….hold on if Mistress used both hands to remove the clamps who was wanking me off. I looked down and there was Johns hand on my cock Mistress smiling a huge smile as she continued to fuck me. Yes im cumming I thought, and just as I did so, Mistress rammed into me really hard and deep as John also cum in my mouth. Wow that was such an intense feeling.

During our post session chat with the 3 of us Mistress apologized for letting John do what he did, as we had not discussed it, but at the time she felt fro reading my body language I was happy with it (and could have safeworded if I wanted), no apology was necessary I loved every minute of it as did John. And so, my slide into being a slut was nearly complete, just need to be fucked by a real cock now…..which didn’t take long to happen