I now had my own bedroom to myself which seemed so strange after all those years sharing with my brother. Better still, we had running water, a shower...and a flushing toilet. Steve and I still had some time to keep up masturbating each other. I was 18 now and fully developed with B-cup breasts and a thick bushy pussy. Several months later, mum and dad were invited to some of dad’s work friends place for a party one Saturday night. This left Steve and I alone together for the night. We had been. One bright morning in the school holidays the post lady called at number 69, Love Lane where the Ami twins live with their long-suffering dad.Sweet-Ami, just sixteen and fresh from bed, answered the doorbell, dressed in just her skimpy white sleep tee-shirt and shapeless blue shorts.Sharon the post lady looked her up and down appreciatively: "Good morning Miss Jones. This package needs signing for." Then she paused, looking at the baby-faced dark-haired beauty, her fabulous dark nipples erect. The two delights built in me. My tail stiffened. I purred in rapture as I came.My holes writhed about their dicks. I yowled in wordless passion. Twin waves of ecstasy washed out of me, spilling from my spasming holes. My pussy and bowels convulsed about their thrusting dicks. I spasmed out of control on them, my moans singing through the temple.“Fill me with all your cum!” I moaned. “Please, please, Master! Mistress! I’m your slave-wife! I need it! I need all your hot spunk spurting into. He didn't realize it, but he WAS giving her an out, treating their relationship as temporary, even if it wasn't his intent. He chided himself for failing to see it the way Allison did.Abigail apparently had a different take. She wrapped her arms around Allison. "Oh, Allie, I'm sorry it felt that way for you. That wasn't our intent at all, and I don't view your intimacy with Chris as cheating."Allison pulled back. "But look at what Jack did—or DIDN'T do—with Mariah. You were ready to cut his.