Chapter 2 (or if you don't want to use the app, old.reddit link)

“You did well for a first face-fucking, but you need to be ready to get fucked by even the largest cocks before I’m done with you,” Mike said. “We’ll work on that. For now, I need to get ready for a video call for work. Put a dildo in your whore cunt and put some panties on to hold it in. Then sit under my desk.”
With cum still dripping from my face onto my tits, I stood up and quickly went into my bedroom. I opened the drawer next to the bed and grabbed one of my larger dildos. It slid in easily with how wet I was, and I paused for a moment to enjoy just how right it felt to be filled. I went to my dresser, opened the underwear drawer, and pulled on a pair of black lacy panties.
I caught a glimpse of myself in the mirror, and saw the cum glistening on my face and tits. It suited me. I grinned.
I grabbed my phone and walked to the room Mike used for work and knocked in case he was on camera already. “Come in, whore.” I guess that meant he wasn’t on camera. I walked over to the desk and saw a cushion underneath it. “Thank you for the cushion, Master,” I said.
He glanced up from his computer. “You need to be there for a while. It’s to make sure you don’t give up before I’m done with you. Now, get under there, the meeting is about to start.”
I hastily got on all fours and crawled under the desk, trying to get as comfortable as I could. I noticed he wasn’t wearing pants. He reached under the desk, and grabbed my hair. “Warm me, and be fucking quiet and gentle.”
I opened my mouth as he pulled me back onto his cock. It was soft, and I was guessing still sensitive, so I didn’t do much with my tongue, just let him hold my head there and stroke my hair idly.
“Good morning!” he said in a very different, very Professional voice. “Today, we’re going to talk about annual goals. Steve, how are your…” I zoned out. My own work was boring enough, much less listening to someone else’s. Plus, there was a cock in my mouth, even if I was only warming it. That was way more interesting.
I let myself get accustomed to the feeling of it in me, to the taste. As time went on, I thought about how this almost felt more intimate than a blowjob, in a weird way. I think the fact that it was in my mouth for so long, maybe?
Eventually, I heard him wrapping up the meeting, and felt him stiffening. “Thanks, everyone, great work. I’ll see you next time.”
“Good job, whore. Now, suck on it and make me cum. I only have 5 minutes until my next meeting and I need to clear my head.”

Without a word, I started bobbing up and down on him, as he grew in my mouth. I made my lips as tight as possible and kept my tongue running along the bottom of his cock, with special attention to the tip. As I went up and down on him, I found I could just barely take him all the way this time. I licked his balls while I buried my nose in his pelvis. He moaned loudly. “Oh, fuck, yes, just like that, you magnificent fucking cumslut.” I kept going, exactly like that. Before long, I felt his hands tighten in my hair as he pushed to hold me in place, and he came down my throat. “I guess taking that dildo in your cunt makes you so desperate you forget your gag reflex. Clean me, take your mouth off, and warm me again when I tap you with my foot.”
I gleefully licked his remaining cum off, savoring the taste, and swallowed.
“Good morning, boss,” he said, back to that professional voice. “Yep, this past week I’ve made progress on the…” I zoned out, thinking about checking my phone, and had just started to reach for it when I felt a foot tapping my shoulder. I looked away from my phone, and gently took his cock back in my mouth.
We continued like this for the rest of the morning, until suddenly, after one of his meetings, I heard my phone start buzzing while I was in the middle of sucking his dick.
He picked it up. “It’s your boss. Can I tell him you won’t be in?”
Fuck. I had forgotten that my boss might not approve my vacation. “Yesh,” I said around him.
“Good morning. No, it’s her roommate, Mike. She seems pretty sick today, she left her phone out in the kitchen and went back to sleep. Yeah, I’ll tell her. Haha, yes, hopefully I don’t get what she has. Thanks.” He put down the phone, and let out a moan he must have been holding in.
Suddenly, he pulled me off of him by my hair, and stood up. He kept holding my hair, and I quickly stood up to avoid the pain of him tugging on it. He dragged me to his bedroom and pushed me onto the bed.
“Ass up,” he ordered.
I heard a condom wrapper open, and a squirt of lube. Then he pulled down the panties and I felt a sharp tug on the plug stretching my ass. “Be a good girl and hold your dildo in your cunt for me. I like it tight.”
I reached down and started pushing the dildo in and out. He slapped my ass, hard. “Did I fucking SAY you could fuck yourself with it? You don’t get to do that without permission, as a free use toy your pleasure is always second. Just hold it in.”
Reluctantly, I stopped, and just held it in. He pulled the plug the rest of the way out of my ass. It felt so empty. Thankfully, I didn’t have to feel that way for long. His cock started pressing against my ass. Even though the plug had been stretching me all morning, it was still a tight fit, and I wasn’t sure it would go in without hurting me. Then, the head passed my sphincter and he slid in balls deep.
My eyes rolled to the back of my head and I let out a screaming moan as he began to thrust, harder and harder. “Oh, fuck, you’re so tight,” he yelled out. He bent down and grabbed my tits, which had been swinging back and forth, and began to grope them hard and play with them.
My moans started increasing and increasing in frequency. “Don’t cum yet,” he said. “Not until I do. Just breathe deeply.”
I did my best to breathe—and also to squeeze around him, in the hopes that it would make him cum sooner. He grunted, and pulled out of me. His right hand left my breast, but his left hand intensified its exploration, playing with my nipples now: pinching, squeezing, lightly twisting. I moaned again, as I felt warm liquid on my back and ass and realized that he was cumming.
“Cum for me, whore.”
I let myself give in to the sensation, toes curling as I had the most mind-blowing orgasm I could remember in quite some time. I shuddered and collapsed on the bed.
He laid down on the bed, and pulled me up to cuddle with him. He stroked my hair. “You’re going to make a fucking fantastic toy for that free use program, Sarah. FUCK.”
I grinned and glowed with pride, as his cum started to dry on my back.
“By the way, your boss has some questions about your vacation, he said to call when you could.”