Untold fantasy on Cruise

We are couple in mid 30s and our fantasy is about most of the time 3som and 4som, but this fantasy is about us, as me and my wife is on the cruise travelling to a Caribbean Island and we see that there is a lot of couples who are onboard. as we noticed that that one night a nice Italian couple invite us to visit a special room on cruise for this evening. As we accept the invitation without knowing what there will be, we dress as usual my wife and I went there and see that there is more then 30 couples, later we see that they start a game that all women at 1 side and men at other side the rule of game was that all light will be off and each guy will pick a random women and have a sex in separate room without knowing there name and face we follow the rule and pick each person, as I was hoping to pick my wife but I was not succeeded. we had an amazing sex after that the time was finished and everyone go back to their place the light was on back as we see all of couples were laughing and nobody knows who was with whom. the second round was different as the organiser must decide which couple need to be together with other my wife and I were very curious about that as we noticed that the Italian couple who invited us was selected with us to have 4some. as the selection was finished each couple went to room and start with making out we were nervous in the beginning as first timer but the Italian couple were ice breaker as she start touching my girl undress her shirt and and suck her nipples, i noticed that her husband took her underwear and licking her vagina finger in her ass, then both girls eating and kissing each other we step back and watch the show that how girls getting on we see and both of us were hard and ready. Then we took a round and playing with my wife her boobs were suck, massaging licking vagina fingering, and the girls were enjoying, then me and other guy fuck both girls one by one with all hole fills with every angel both dick inside, eating vagina, fingering girls till they squirt and cry for more. After we finished we took our clothes and left the room me and my wife were looking to each other and laughing what we have done the night was amazing and we exchange the numbers with couple for next time to have fun.