One night, Ross and Chandler were talking about all the great sex they were enjoying. Ross said, "Come to think of it, it's been a few months since I did anal."
Chandler said, "Yeah, me, too. It's not my favorite, but occasionally...."
"We're going to New Hampshire next week, and we've got the whole cabin to ourselves. Nobody else nearby."
Chandler rubbed his hands devilishly, "In New Hampshire, no one can hear you scream."
The cabin, selected by Monica, proved to be everything they had hoped it would be. For the girls; comfortable, warm, and quaint. For the guys; isolation. The plan was to jump the girls and pound them in their asses early, while Ross and Chandler were at their sexual zenith. While Monica and Rachel ran about like kids, reveling in all the quaintness, Ross and Chandler surveyed the place as if it were their private rape dungeon.
Ross said, "I think the best place would be on the floor of the living room, in front of the fireplace. That rug that's down there is perfect for us."
Chandler said, "Yeah, and we can lay a sheet down to avoid carpet burn, or carpet stains. Everything else can go as we had planned."
Evening was falling. The guys managed to get a fire going in the fireplace. The girls were upstairs, taking showers in anticipation of lovemaking. Chandler and Ross moved some furniture, covered the large, furry area rug with a bedsheet, and positioned lubricant and wet wipes strategically. Chandler said, "I am so nervous, Ross. What if they hate what we're about to do?"
Ross said, "I've done this with Rachel enough times to know she'll be all right. As Monica's brother, I get a little extra leeway. They'll be fine."
The guys changed into pajama bottoms, which would be easily shed. They hid under the staircase. When Rachel emerged from her room, Ross called, "Rach, please get Monica before you come down. We have a surprise for you."
"All right. I hope the surprise is chocolate!"
Chandler murmured, "It is, in a way."
The two girls came down in their robes, unsuspecting. Monica said, "You guys got the fireplace going! That's great. Is that our surprise?"
The two men came up from behind and seized the women around their waists. Chandler had Rachel, and Ross had Monica. It was difficult for Chandler to shed his inhibitions and get into the spirit of the proceedings, but he managed Rachel competently. The men half carried, half dragged the women to the prepared site.
Monica squealed, "You don't have to force us, guys. We know why we're here."
Rachel got into character, "Oh, my, I am ever so afraid. What shall become of a simple maiden in the hands of a lusty villain?"
They lay the girls on the sheet, heads facing to the fireplace. While Ross and Chandler stripped off the women's robes, Monica and Rachel looked to one another excitedly, and held hands. Monica begged, "Oh, kind sir, please do not ravish my sister and I. You would not want us. We could never satisfy you, for we are innocent in the ways of love."
Rachel laid it on thick, "What use are two young virgins to such strong woodsmen such as yourselves?"
Ross and Chandler, unseen by the girls, had thoroughly lubricated their hardons. Now, for the moment of truth. They both climbed up from the girls' feet to lay hold on their arms, pinning them strongly to the floor. They both insinuated their knees between the girls' legs. By the time Rachel smelled a rat, it was too late. Rachel was naturally more suspicious because Ross only took her anally by force, ostensibly without Rachel's consent. Rachel thought fast, and decided that this was going to happen, regardless. She stayed in character, "Oh, sister, we are to be raped in our bums. Our little behinds will lie skewered on the staffs of these gentlemen."
Simultaneously, Ross and Chandler inserted their cocks into Monica and Rachel's anuses. Monica panicked, "What are you doing!? Get off me!"
Rachel squeezed Monica's hand, and cried, "Just go with it, my sister. Let him have his way, for it will hurt ever so much if you resist. My man is penetrating me, now...Ergh!!."
Chandler was already halfway into Rachel. Ross made slower progress. He had to increase the pressure to force his cock into his sister's bottom. Monica was no longer play-acting, "Ow! Ouch! That hurts! It hurts!" Monica at least had the presence of mind not to complain about Ross's size in front of Chandler. Rachel, for her part, was also sensitive, crying, "Oh, you husky woodsman, you are too large for me. You are ripping me asunder! It will never fit! Owwww!"