Strange Bonds - Cover

Strange Bonds

Copyright© 2026 by Bad Decisions Kat

Chapter 13: Crossed Lines

Erotica Sex Story: Chapter 13: Crossed Lines - Mia has a good thing going: a no-strings arrangement with her ex Dan, a close friendship with Lin, and a sex life that doesn't require promises. But when Dan and Lin grow closer, jealousy isn't what she expected, and neither is her attraction to her best friend. Then she meets Leah, confident, perceptive, and impossible to read. Caught between the people she loves and possibilities she's only beginning to discover, Mia has to ask: what does she actually want?

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Fa/Fa   Consensual   Romantic   Lesbian   BiSexual   Heterosexual   Fiction   Exhibitionism   Masturbation   Oral Sex   Slow   Illustrated   AI Generated  

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Something Special

The next morning the apartment felt crowded with everything Lin and I were not saying. Dan had already left for work, so it was just the two of us in the kitchen. I moved around her in short, clipped movements, still raw from the lock, the hallway, and the fact that she had chosen him over me for something private.

I could still hear the lock clicking every time the kitchen went quiet.

Lin finally broke the silence.

“About yesterday,” she said quietly, leaning against the counter. “Dan asked me to lock it.”

I stared at her.

“What?”

Lin kept rubbing her thumb along the mug handle instead of looking at me. “He didn’t want you seeing him like that.”

“Like what?”

She looked away again.

“Lin.”

“He was embarrassed.”

I laughed once, sharp and ugly. “So you protected him from me.”

“That’s not—”

“That is exactly what you did.”

Lin looked up then, and this time she looked annoyed.

“Look, Mia ... he got a prostate handjob. He was on his knees, ass in the air, with me wearing latex gloves and sliding three fingers into his asshole while I milked his dick. It’s ... not exactly a majestic sight.”

My mouth fell open.

“He comes absurdly hard from it, though,” she added. “Cums like a goddamn fire hose.”

I stared at her until the picture formed properly in my head.

Then I laughed. A big, ugly, snorty laugh that burst out before I could stop it.

“God,” I said, wiping at my eye. “I kind of wish I could have seen that.”

Lin laughed with me, and I realized she had been waiting to find out whether I would make this ugly too.

She stepped closer and touched my arm. Her voice softened.

“Look, I’ll make it up to you. I’m going to ask Dan for something special today, and I want you there with me.”

For one stupid second, I thought she meant something for us. Something chosen because it was ours, not because Dan wanted it.

Lin rubbed the back of her neck, looking a little embarrassed but determined.

“I’ve never let him fuck my ass before. After everything I’ve been doing for him ... privately ... I figured maybe it was only fair. If I’m going to keep asking him to trust me with that, maybe I should trust him with this. I don’t know. Apparently this is where we are now.”

She gave me a small, wicked smile, but it did not quite hide the nerves underneath it.

“I want you there with me. Maybe under me.”

She shifted a little closer.

“You know. Helping me through it. Kissing, touching, licking. Making it feel good while he heroically defiles my poor innocent ass.”

I laughed despite myself.

Lin laughed too, but hers ran out before mine did. She looked down at her mug, turning it slowly between both hands.

Then, quieter, she asked, “What was it like?”

My laugh stopped earlier than I expected, and I noticed the empty space it left behind.

“What?”

“When he did it to you.”

Of course she would ask me that. Of course I would want her to.

I should have told her not to do it.

That would have been the sane thing. The friend thing. Maybe even the loving thing, if I was allowed to call what I felt love.

Instead I sat there with my knee pressed against hers, feeling sickly proud that she was asking me. Like what Dan had done to me had left behind something useful. Some private knowledge of pain, trust, and being opened up that Lin needed before she could cross the same line.

Apparently, I was the apartment’s leading expert on getting fucked in the ass.

It was the first thing I had been good at in months.

“It hurt,” I said. “More than I wanted to admit.”

Lin watched my face like she was trying to decide whether I was warning her or asking to be needed.

“But it got better?” she asked.

“Eventually,” I said. “If you relax. If you trust the person helping you through it.”

I hated how badly I wanted that person to be me. Not because I wanted her hurt. Because I wanted to be the one she trusted when it did.

Lin studied me for a moment. Long enough that I wondered whether she had heard the possessiveness in my voice and decided not to punish me for it.

Then she nodded, drawing out the first word like she was trying not to set anything off.

“Sooo ... will you help me?”

I reached out and touched her chin.

“Anything for you, Lin.”

Why couldn’t I ever just say yes like a normal person? Why did everything have to become a confession the second it left my mouth?

Stupid love-hungry cunt.

When Dan showed up, Lin asked before either of us had time to lose our nerve.

She asked him from the couch, one knee tucked under her, trying very hard to sound casual and only mostly succeeding. Dan blinked once. Then his face did that thing I hated, that slow brightening when he realized there was another room in the house he had apparently been invited into.

I watched the idea land. This was serious enough to plan, and I was important enough to be included.

He tried not to look too pleased about that and failed badly.

“Yeah,” he said, too quickly.

Then he cleared his throat and tried again, lower.

“Yeah. If you’re sure.”

Lin looked at me.

Not at him. Me.

I smiled back, stupidly happy that she had looked at me first, as if one glance could settle who this was really for.

We ended up in Lin’s bed, and I slipped under her the way she had asked me to. I lay on my back while Lin knelt over me facing my hips, her pussy and ass hovering over my mouth and chest in a loose kind of sixty-nine.

From there, I could see her thighs trembling while Dan knelt behind her.

Dan reached for the lube. He worked her open slowly, one finger first, then another, his cock hanging close above my face. He looked down at me and smiled, then guided himself into my mouth while he worked Lin open.

Lin stiffened at the first finger. At the second, a small groan slipped out of her. Dan worked her carefully for a while before pulling free from my mouth and slicking himself up with the rest of the lube.

 
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