Lisa began:
"A few weeks after we started dating, you took me with you to a house party hosted by one of your classmates. I don't remember which one. Sometime during the night I was standing next to you in the kitchen, right next to the doorway to the hall. I was actually partially blocking the doorway because the kitchen was crowded and there were people on your other side, and since I was partially blocking the entrance, people had to squeeze by me to get inside.
"One guy squeezed by me a couple times and I felt contact against my ass both times, but I didn't think anything of it. A few minutes later he slid by again, and that time I realized the contact with my ass was his hand. He didn't look back at me as he passed by, and he made no other acknowledgement that he had just put his hand on my ass, so I dismissed it, figuring that maybe I was mistaken or that he did it unconsciously. Later, when he was making his way back out of the kitchen, we made eye contact and he flashed me a smile. A second later he slid by me into the hallway, and again put his hand on my ass as he exited."
I did have a vague recollection of the house party, but that was all. Just like Lisa, I didn't remember whose party it was.
Lisa continued, "Obviously there are several ways I could have reacted. I could have called him out and yelled at him, which probably would have been the most appropriate response. But the thing is...I liked it. He was a good-looking guy who was quite confident in himself, and certainly a flirtatious scoundrel. Meanwhile, you and I had only just begun dating, and I didn't know at the time how we would end up. We hadn't slept together yet, if you remember. Anyway, I decided to do nothing and just let it go.
"Later that night he did it again as you and I were standing in the living room. I didn't see him coming, so it surprised me. I glanced back at him as he walked by, and he gave me a mischievous smile. I rolled my eyes at him and gave him a frustrated shake of my head in response, but I couldn't hold back a smile. No doubt that encouraged him.
"A sort of private game between us had suddenly developed. Over the next month or so you and I went out with your class to a couple different bars. He was there both times, and each time he found several opportunities to sneak by and surprise me by grabbing my ass, and he seemed to do it so that nobody else ever noticed. It was funny, in a way, that he had a real skill for both surprising me and not getting caught in the act by anyone else. But I must confess that it made me feel sexy, too, probably because the act of grabbing my ass was an implicit communication that he wanted to fuck me. And it was all very improper and naughty, of course, because he knew I had a boyfriend and because he and I still had never even spoken to one another. I learned his name inadvertently from someone else in the bar trying to get his attention, shouting "Hey, Danilo!" But I didn't know if he knew my name yet.
"Then there was Lena's birthday party at her apartment. Remember that?" Lisa asked.
"Yes, I remember." I remembered Lena was nice and I remembered going to her birthday party, but my mind was less concerned with remembering Lena's party than it was with the words Lisa had just spoken. Lisa's voicing of the phrase "he wanted to fuck me" was suddenly playing on loop inside my head. It may have been my imagination, but her pronunciation of the "f" and the "k" in "fuck" sounded particularly energetic and harsh, so much in contrast to the cute and innocent appearance she had in my eyes in those early months of dating.
"We gathered around the dining table to sing Happy Birthday to her before sharing in her birthday cake. You stood next to me on my left, and you had your arm around my waist. I wore a skirt that evening. I remember that only because of what happened next. Just after we started singing, I felt Danilo's right hand grab my left ass cheek. I didn't want to interrupt Lena's moment or draw attention to myself, so I didn't react, but I did look up at you and smile just so that I could see from the corner of my eye and confirm for myself that it was Danilo. He stood close behind us both, silently, looking over your right shoulder. Apparently he interpreted my nonreaction as a green light, because next he brought his hand under my skirt, replacing it on my bare skin. Well, it wasn't completely bare. I think I had lace panties on that night, so he was getting both bare skin and lace panties.
"So there you and I were, standing and singing together as a couple, your arm around my waist, while some other guy was groping my nearly bare ass just inches from your arm. It felt so naughty, and again it felt really good. I worried you would drop your arm and bump into Danilo's arm, discovering what he was doing, so I put my right hand on top of yours and put my left arm around your waist, just to encourage you to hold that position, which also signaled an OK to Danilo. I didn't realize how wet I had become until he suddenly slid a finger under my panties and reached for my vagina. His fingertip spread the wetness all over my labia and...elsewhere. The wrongness of what we were doing just made me that much wetter, and I stopped thinking straight. I gave you a little squeeze just so you wouldn't notice my posture change as I arched my back slightly and spread my legs a few inches. I wanted to give Danilo the opportunity to really fingerfuck me right there, secretly, in front of everyone, and right next to you. And he did."
I felt my cock twitch as the blood began to flow into my groin again.
"After the song was over, Lena was saying something about how she didn't know what to wish for. You and I were still holding each other tight. Meanwhile one of Danilo's fingers rubbed against my clitoris as another slowly pumped in and out of my vagina. It didn't last long, though. He knew to quit before the cutting of the cake, when people started moving about and your arm dropped from my waist. He quickly disappeared.