I was lost in my thoughts when I heard the tent zipper. Pam walked from the tent and shielded her eyes from the bright sun.Morning. I called out to he.... She smiled and walked away, toward the bath house. I watched her tight ass sway as she walked farther and farther away. I could feel my nipples twanging and my puss quiver as I watched. I knew from my body's reactions that it would be an interesting day indeed.I heard rustling from inside the tent, then muffled voices. I knew the guys were. Then she lied partially on her chest, while lifting her ass up in air. She asked me to come and lick it.I had done it a couple of times before on her request and though initially scared, loved it. Specially it turned both of us on, since it was a taboo.She helped me go deeper as she stretched her legs and placed her hands strategically, so that her asshole was exposed.First i kissed her ass slowly, she held my hand and we both squeezed it together softly. Then i buried my tongue inside her. I drew a warm bath and added apple blossom bubble bath and we got in. Penny sat between my legs, leaned back, and sighed when I wrapped my arms around her.“This is the best birthday ever!” she sighed a moment later.“I have to agree! You were wonderful, Penny. I told you that you would do fine!”“You really mean that?” she asked.“Yes. You were fantastic. You feel really good and made me feel really, really good.”“You’ll do this with me whenever I want? We can fuck lots?”“Well, you don’t want your. "My girlfriend continued, "So three of them snuck into Zak's room in the middle of the night and held the cover over his head so he couldn't tell who. They sat on him and teased till he got hard. He couldn't help it. They had a ruler, so there must have been a bet or something." No way" I objected. She always stretched the facts. They'd bet on his length?"Cross my heart with my Maidenform bra! They pulled his boxers all the way down so they could measure his balls, too. After he got his.