Group sex that went to far

So to start this out this is a true story so out of respect gonna use different names so my name is Vince and my girlfriend is chrissy she’s Italian brunette 34b and amazing thighs and big giggled ass now we were raised a certain way and she was a good girl to an extent the only things we had done were make out and oral now one afternoon me and Chrissy were making out and i slowly started to take her shirt off as my roommate joe walked in joe apologized and left instantly now i looked over to my girlfriend and said wanna spice things up and us being both horny she agreed so i went to get joe from the living room and had him come watch us so were on the bed joe is right next to me chrissy took her bra off and offered joe to grab her tits joe looked at me first then i nodded and he started grabbing and rubbing her tits then he asked if his girlfriend Sam could come join in we said sure why not then he suggested that he eats out Chrissy and i eat out Sam now i wasn’t on board with this at first neither was my girlfriend but i eventually said ok and he slowly took the leggings off my girlfriend and i saw her Lacey pink underwear and all i wanted to do was stick my head down there and start eating but i turned to sam and she unzipped my jeans and undid my belt and she took my already rock hard 7inch cock and starting going to town i closed my eyes and got lost in lust when all of the sudden i felt movement on the bed i turned my head to look over and my heart sank and my jaw dropped joe was on top of Chrissy pounding her pussy i threw Sam off me and said chrissy wtf are you guys doing i thought we were gonna wait to do it together i thought was gonna be your first i grabbed joe and said get off her he pushed me away and kept fucking her she wrapped her legs around him and then i got pushed back on the bed my sam she got on top of me and lowered herself onto my cock and starting riding me but i could only keep my focus on my girlfriend and he said he’s getting close to cumming i told chrissy he can’t cum in you he’s not wearing a condom but she was too lost and she started shaking as he pumped all his cum into her cunt then I felt like I was close to cumming and chrissy pushed sam off and no i don’t want you cumming in her i said but you just let joe fuck you and finish in you she got on all fours and said come fuck me i went to get behind my girlfriend when joe pushed me on the ground got behind my girlfriend and stuck his up her ass i was about to beat his ass but chrissy said no wait just let him and he came pretty quick then got dressed told sam let’s go and they both left there was a 20 minute of silence we hadn’t said a word we ended up breaking up shortly afterwards we had dated for 5 years and planned on getting married but that’s over now we never got to fuck ether and she’s pregnant