Destroying my colleague's girlfriend [MF]

This is the sequel to My colleague's girlfriend sucked me off on the train

I know what you're thinking. That after finishing in my work colleague's girfriend's mouth as we rode an evening train home together, I was having second thoughts. That post-nut clarity was hitting me hard and I was realising how bad this was, right?

No.

For one, I really hated Martin. I despised that loud, obnoxious, boorish cunt. He made work way tougher than it needed to be. Fuck Martin. 

But more than that, his girlfriend Lily was gorgeous. She was beautiful, she was cute, and she'd just sucked my cock in public with such fervent enthusiasm, she'd just swallowed everything I gave her, I was eager for more. I wanted to see what else Lily was capable of.

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She held my hand as she rushed me back to the shared house she lived in. We practically ran there together. We were both red-face and panting as Lily unlocked her front door. She didn't even ask me if I wanted a drink or a snack, she simply tugged me towards her room and shoved me down onto her bed.

As she fell on me, as we kissed and pawed at each other, as we began to pull one another's clothing off, Martin was the furthest thing from my mind. I'd forgotten all about him, I was focussed only on her, but Lily brought him up. As she peeled my top off over my head, as her lips returned to mine, Lily spoke between kisses. "Martin doesn't like doing it in public," she said breathily. "He wouldn't have let me do that to him."

"Then he's fucking crazy," I replied.

She laughed. "Martin's vanilla when it comes to sex. There's lots of things he won't do for me."

"Like what? What do you want that he doesn't give you?"

"All kinds of stuff."

"What do you want from me?"

Lily shrugged. "As long as you make it feel good, you can do whatever you want."

I didn't think I'd ever heard sweeter words.

We tore the rest of our clothes off till I was naked, till Lily was wearing nothing but a pair of pastel-pink cotton knickers. I might have orgasmed tens of minutes ago, but my cock was hard again, my blood was running hot.

By rights, I should go down on Lily, I knew that. It would only be fair, and besides, I loved giving head. But after what she'd just said, I had a different idea in mind.

"I can't believe you sucked my dick on the train," I said to her.

"That was so fucking hot," Lily sighed between kisses.

"I can't believe you swallowed it all. You look like such a good girl, but you're not, are you? You're bad."

Lily answered that with a breathy moan.

"But you know what happens to bad girls, don't you?"

She smiled with her lips on mine. "What?"

"Bad girls get punished. Bad girls need to be taught a lesson."

Her whole body went tense. "How?"

"Let's start with a spanking, shall we?"

I moved before Lily could reply to that. I did so quickly and roughly. Lily squawked as I grasped her and pushed her off me, as I sat up and pulled her across my legs.

She didn't try to fight me, I think Lily was too surprised to. I rolled her over onto her front. I held Lily down with my left hand splayed across her upper back.

"Do you know what a safe word is?" I whispered to her.

"Yes."

"Do you have one?""No."

"Then we'll use red. Tonight, red is the only world that will make me stop. I won't show you mercy, no matter what else you say. Understand?"

"Yes."

And understand it she did. Lily really got into the spirit of being punished. She squirmed around, she tried to escape me, but she was petite, I was so much bigger, I held her across my thighs with ease, with just that one hand.

My right one was free. I tucked my thumb into the back of Lily's pink cotton panties. I raised them from her body. I saw the top of her cheeks and her crack.

Lily kicked her legs. She struggled harder. "Get off me, you fucker. Let me up."

Not her safe word, though. This was all part of the game, part of her fun.

"I'm sorry, but you've earned this. You can't just suck stranger's cocks on trains and get away with it, madam." I peeled Lily's knickers down to her knees as she wriggled and complained and swore at me.

She had a fantastic derrière, plump and smooth and curved, a real peach of an arse. I lifted my right hand high. I whipped it down.

I didn't slap Lily overly hard, but it wasn't a playful swat either, it was enough to make her jump and yelp. Yet still no safe word was shouted, so I kept on. I spanked Lily with fast smacks, with glancing blows that made her cheeks wobble, with full-on whacks that filled her room with meaty clapping sounds.

Lily made a real song and dance of it. She yelled, she swore, she gasped, she thrashed around, but there was nothing she could do to stop it, except by yelling red, and she didn't. I slapped her bottom as I held her across my lap and Lily screamed bloody murder.

It was visceral and raw, it was exciting, this was spanking at its best. Adrenaline surged through me as I dealt with her, I could only imagine the effect it was having on Lily.

By the time I was done with her, Lily's bottom was blazing. She was trembling all over, breathing so fast and shallow she was almost hyperventilating. As I rolled her off me and onto her back, she looked manic. "Fuck me," Lily groaned.

With pleasure. I got between her open thighs with my cock in my hand. Her pussy was cute and chubby, with thick outer lips and sparse, dark blonde hair. Lily sighed as I rubbed my prick over her sodden little quim. She gasped and moaned as I slid myself into the tight, wet warmth of her body.

Lily had said Martin was vanilla, so I didn't hold back. I fucked Lily hard, I was rough with her, right from the off. I drove into Lily fast and deep. I ran my hand over her small tits, I rolled her nipples, I pinched them. I rubbed that hand over her face, I messed her hair up. As I pushed fingers into her mouth, Lily sucked on them like she needed to.

Her legs were bent and up in the air. Lily's pussy was presented to me. I watched my dick flashing into her. I put a thumb on her clit, I skimmed it back and forth in time with my fucking.

Lily went to pieces. She mewled. She bucked into me. With each drive of my cock and sweep of my thumb, she went louder and higher in pitch. Lily fell to chanting, "Yes…. Yes…. Yes…. Yes…," as I ploughed her. She yelled, "fuck yesssssssss," as her climax hit her.

I screwed her through her orgasm, then I rolled Lily over. She was shaking as she got up onto her hands and knees for me, but I still didn't go easy on her. I'll be honest, a part of me was thinking about Martin again, about how satisfying this was to fuck his precious girl, to absolutely pound her.

I really went to town on Lily. I slammed into her with force. I pulled her hair. I smacked Lily's bent bottom again. I eased my thumb up her arse, but Lily took it with noisy glee, she took all of it. Lily moaned and yelped and gasped and squealed as I rutted her.

She fell forwards, Lily lay with her face down and her ass up as she reached a hand under herself for her cunt. She strummed herself feverishly as we fucked. She went nuts. Lily looked back at me over her shoulder, her face was bright red, her eyes glazed, I realised she was trying to say something. I heard it on her second repetition. "Fuck me… in… the… ass."

I stared at Lily.

"Martin… won't."

That was all I needed to hear. "OK."

I slid my cock out of her cunt and eased my thumb from her butt. I raised my dick to her arsehole, but Lily was the one who made it happen.

Lily reached back and grasped hold of me. She exhaled, she pushed backwards onto me as she slipped the head of my prick into her own back passage. I groaned. It felt like I was being held in a strong but soft fist as she enclosed me.

I'd fucked girls in the arse before, this wasn't my first time, but with the others, I'd had to take it slow, I'd had to use plenty of lube. That wasn't the case with Lily. She backed onto me, she worked almost the full length of my cock into her rear quickly.

Fuck she felt incredible, even better than she looked with my dick buried between her buttocks. Lily's sphincter was an inch or so of tight pressure around my shaft. Beyond it, she was a little more open, yet still gloriously tight. Her rear was warmer than her cunt. It felt like I was floating in her.

Lily rocked into me to urge me to fuck her. I thrust in sync with her motions, I gave her what she apparently wanted, what Martin didn't. I fucked Lily's arse faster as she adjusted to it, going deep, going all the way into her.

I slapped Lily's cheeks and pulled on her hair again. Lily went right back to urgently rubbing her clit as she moaned and gasped beneath me.

As Lily cried out as her second orgasm claimed her, her arse went into spasms around me. It felt like her backside was sucking me into her, was making sure I didn't pull out until her climax was through, until she was done with me. It was more than I could take. I gasped and groaned as I let myself go, as my own pleasure surged, as it erupted out of me.

I hated Martin. He was a nightmare at work. But I knew I'd never look at that smug cunt the same way again, not now, not after I'd just come in his beautiful girlfriend's arse.