The blue light blinded me once again.
When my eyes readjusted, I immediately looked down at myself. Shoot, I thought. I'm still in Sarah's body.
I didn't have time to explore any other potential changes however, as I was distracted by a surprised, feminine voice shouting, "What the hell??"
I looked up, and towering over me was the tallest woman I'd ever seen. Well, at least it seemed that way. It might have just been that I still wasn't used to being in the body of my 5' nothing girlfriend, and everyone probably felt like a giant to me.
"Sarah? Is that you?" I asked the tall woman.
"Yes it's me, but what the hell happened? One second I was cumming inside of you - which was fantastic, by the way - and the next thing I know I'm back in a woman's body, but I must be 6'5" at least!"
"It has to be that blue light," I responded, thinking. It must change people when it flashes. That's why we switched bodies the first time. And it just flashed again, but I have no idea who you're supposed to be."
"Maybe it can swap multiple things with multiple people?" Sarah replied. "Like you know Dan from down the hall? The guy that played college basketball? Maybe I got his height. And maybe I switched bodies with another girl in the building. I don't know, there are a lot of people who live in our building. The possibilities are endless."
"That may be true, but what about me? I'm still in your body."
"Well maybe it swaps more than physical traits... When the first light hit, I suddenly became hornier than I'd ever been before in my life. Maybe I somehow swapped libidos with our ahem noisy neighbors?"
"Yeah, I felt that too, as soon as I swapped into your body. That makes a lot of sense. But if that's true, then I most likely still have that libido. So it's only a matter of time before it comes back..."
"Well we will cross that bridge when we come to it. Here, sit down. Let's figure this out." Sarah said.
"Yes mistress," I replied automatically before kneeling beside Sarah.
We both froze.
Why did I just kneel beside her on the floor? Why did I call her mistress??
"What was that?" Sarah asked me.
"I'm not sure," I whimpered nervously. "It just came out automatically."
"This is interesting," Sarah said. "Let's try something. Strip."
"Yes mistress," I said again as I began taking my clothes off.
A weird feeling washed over me when Sarah told me to do something. It was like a mix between pleasure, eagerness, and excitement. I realized doing what Sarah told me was somehow rewarding. I wanted to please her.
"Kneel," she commanded.
I did as I was told. From my knees, I watched Sarah remove get clothes as well.
"Very interesting," Sarah said. "It would appear that you have swapped a trait or two. The most obvious one being submissiveness."
"Sub... submass... What's that?" I asked Sarah. I knew I'd heard that word before, but for some reason I had a hard time remembering what it meant.
"Seriously?" Sarah replied. "Okay tell me this: what's 8 x 2?"
I should know this! It's easy multip.. multipl... mulap... times tables! But why can't I think of the answer?
"Ummm... 82!" I replied with a confident smile.
"It seems that you've had your intelligence swapped as well," Sarah said.
"My intella-what?" Big words were getting harder to say now.
"Never mind," Sarah said with a frown. "Don't you worry your pretty little dumb head about it."
"Okay mistress," I responded.
Sarah stood for a moment, thinking.
"I have to admit, it does feel good when I command you to do something. Like, really good. Do you like being told what to do?" She asked me.
"Oh yes mistress, more than anything!" I replied. It was true. The feeling of obeying Sarah's commands was heavenly. Almost as good as sex!
"Hmm if that's the case... Then come here and eat my pussy."
I wasted no time scrambling over to Sarah. My mouth went straight to her pussy.
It tasted wonderful. It felt so good to be giving my mistress pleasure. I became lost in the act. It was pure bliss. I was doing everything I could to make sure my mistress felt good. On top of that, I could feel my horniness coming back. My pussy was absolutely gushing. I could feel it running down my leg. My nipples were rock hard. I needed more, but I didn't dare tell my mistress that.
I could tell from her moans she was enjoying it. Soon enough, she told me to lay down on the sofa.
I jumped up into the sofa and spread my legs like Mistress's good little slut.
Mistress came close and said, "Wow, you're soaking wet aren't you?"
"Yes Mistress, it's all because of you!"
"Good girl." With that, she put her tongue to my pussy and gave it a slow, satisfying lick.
I came right then, and I didn't stop cumming. It was so much better than my orgasm earlier. The pleasure from her tongue mixed with the pleasure of knowing that I was making Mistress happy combined into an orgasm that was so good, it didn't even feel real. My eyes rolled back into my head as wave after wave of unbelievable pleasure washed over my whole body. My legs shook uncontrollably.
At some point Mistress got onto the couch with me and pulled my legs close, until both of our pussies were touching. I could feel how wet she was. Her juices mixed with mine, creating a wet spot on the sofa.
Slowly she began gyrating her hips into me, and I did the same. Our pussies rubbing against each other was heaven. Both of us giving and receiving the same pleasure.
I came again and again and again.
Finally Mistress's moans became louder. She grinded against me faster and faster. Suddenly her whole body tensed up as she climaxed. Watching her cum made me cum again one last time.
I laid back, out of breath. We were both laying in a pool of our own juices.
"Come here and clean me up," Mistress commanded. Despite all of the muscles in my body barely functioning, I was able to get up and start licking the juices off of mistress.
We sat like that for a while, Mistress relaxing and enjoying my tongue all over her body, and me being a good girl, blissfully cleaning up my mistress.
"That was pretty great, wasn't it?" Mistress spoke after some time.
"I could barely setup licking her enough to give a response. "Yes Mistress, I loved it."
"Then I don't think we should worry about getting back to our normal selves any time soon. Don't you agree?"
"Yes Mistress, I agree. I could stay like this forever!"
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Meanwhile, in an apartment not far from there...