Young Woman Enjoys Group Encounter With Multiple Men In Part 3

I took a final glance through the door and departed to take a shower and go to bed. I found Beckie’s clothes and walked back to the bathroom with them in my hands. Her pussy was incredibly tight, and as she pushed herself up and down, her pussy squeezed my cock hard. As I passed my sisters room, I noticed that the was open a crack, so I took a peek in. “Dirty girl”, Beckie giggled, and my sister began to gently finger Beckie, running her fingers teasingly between her pussy lips before starting to finger her in earnest, pushing her fingers in and out of her and rubbing Beckie’s clit with her thumb. Instantly, she started thrashing about, nearing her first orgasm. “Beckie? I think your sister has stolen them as a prank.”
I walked to my sister’s room, trying to avoid thinking about the fact that Beckie was completely naked just now while I was talking to her. Beckie’s hands were running all over my sisters body, stopping occasionally to give  her tits or ass a squeeze, while my sister’s hands were wrapped around Beckie’s neck, pulling