I Fucked My Mother-in-Law to Marry My Girlfriend

Chapter 8: Chapter 8 – 8. Mother-in-Law’s Visit



Squeak.

"Am I interrupting your rest?"

"Ah, no… please, come in."

"Thank you."

It was late, and even though she was just in the next room, I hadn't expected her to visit. I was flustered but still invited my mother-in-law inside.

"How is it? Is the bed comfortable?"

"Ah… yes, it's fine. It's much better than the one I usually use. I almost fell asleep as soon as I lay down."

"Hehe, that's a relief."

My mother-in-law laughed softly, as if my comment amused her.

'Being alone with her like this is nerve-wracking… and in that sleeping outfit… gulp.'

She was wearing a black negligee—so thin it was slightly see-through. I could faintly see her nipples through the fabric. Even though I'd seen them plenty during the day, her breasts and nipples were so alluring that I couldn't look away.

"Are you nervous just because we're alone?"

"Huh? It's not that… it's just…"

My mother-in-law seemed a little disappointed by my awkwardness. She looked almost sad that the man who would soon be her son-in-law seemed uncomfortable around her.

"From now on, you're the master who will raise me as your female slave. You shouldn't feel awkward around your slave, ♥."

It was a reality I had been trying to ignore. But my mother-in-law sincerely hoped to serve me as her master and become her son-in-law's female slave.

"It's not good to hold back when we're alone like this… Master♥."

She emphasized the word deliberately. Her nipples seemed to grow more erect beneath the negligee, amplifying her allure. My own arousal was beginning to stir.

"Haa♥… There probably aren't many men with such a… sizable endowment♥."

My mother-in-law smiled in ecstasy as she gazed at my growing erection. Her lips parted slightly, as if she were about to lick it, just as she had done earlier in the day. Her tongue flicked across her lips, and every movement was a lewd spectacle designed to entice.

'I came so much earlier… why am I still so hard?'

I thought I wouldn't get aroused again today, but my body betrayed me. My erection strained against my pants, tenting the fabric.

"It must be uncomfortable being trapped like that♥."

Swoosh… Slither.

My mother-in-law casually grabbed my pants and pulled them down. Since we'd already crossed that line earlier, I didn't resist. Soon, my erection was fully exposed.

"Haa♥… Just looking at it makes my womb tingle♥."

She gazed at my arousal with a look of pure desire, her tongue darting out as if she wanted to lick and suck it immediately. But she held back, waiting for my permission.

"So, are you ready to properly train me as your female slave?♥"

"W-well…"

"Seriously… you enjoyed it so much earlier, and you're still hesitating?"

My mother-in-law had threatened that if I didn't become her master, she would separate me from Yeonji and marry her off to another man. I didn't know if she was serious, but she certainly had the power to do it.

"Just relax♥… You can do whatever you want with this lewd and sexy woman♥… And you can marry Yeonji without any issues♥."

"It's just an affair!!"

"An affair? Hehe… You're being funny♥."

Swoosh… Tap tap tap tap tap.

My mother-in-law grabbed my erection and began stroking it.

'I can't think straight like this!'

I wanted to refuse, but the pleasure was too overwhelming. I stood there, helpless, as she worked her hand.

She looked up at me and said, "Just think of me as a sow, not a woman♥. A filthy sow in heat, shaking her pussy at her master and dripping with desire♥."

"Ugh!"

Her lewd words sent a jolt of excitement through me. My erection throbbed uncontrollably.

"There's no man who has an affair with a sow♥."

It was absurd logic, but given her actions, it wasn't far from the truth. She truly resembled a sow in heat. Even if it had been her late husband's order, it was a joke. But now, she was using my relationship with Yeonji as leverage to keep that promise?

No.

Right now, my mother-in-law truly wanted a man who could dominate her. And whether by coincidence or fate, I had been chosen as that man.

"Hoo… Mother-in-law."

"Yes, Master♥."

Noticing the change in my tone, she flinched slightly and looked up at me with anticipation.

"Are you really sure you won't regret this? I still feel guilty about Yeonji… Of course, I couldn't refuse… But honestly, I can't resist the temptation of an ideal woman like you…"

"I feel guilty about Yeonji too… After all, I'm a mother seducing her son-in-law… But I don't regret it♥."

Her answer was firm. Unlike my wavering heart, my mother-in-law had moved beyond guilt or remorse. She was starving—as a woman, as a female. And I was the only man who could satisfy that hunger.

"I've never done anything like this before… And I haven't even been intimate with Yeonji yet. Honestly, I'm not sure I can do this well."

"It's okay… I'll teach you♥… So you can become a true master♥."

She had chosen me, flaws and all, and was determined to mold me into her master. Her words slowly calmed my restless heart.

"Hoo… Alright. Don't regret this later… Jungyeon."

Twitch♥ Twitch♥ Twitch♥

"Y-yes, Master♥."

"Suck it, you bitch."

"Heeuuh♥… Haa♥… Yes, Master♥ Woob♥ Chooop♥ Woob♥."

Now that I had decided to treat her not as my mother-in-law but as a mere sow, I dropped the honorifics and spoke harshly. She smiled even wider at my words and began to suck eagerly.

"Haa…"

"Woob♥ Chooop♥ Heup♥ Woob♥ Chooop♥."

She took great care in pleasuring me, her movements skilled and deliberate. It reminded me of her earlier performance in the reception room, but this time, there was a clear difference. Back then, I had been passive, but now I had accepted her proposal—at least partially. My actions grew more unrestrained.

"Suck it deeper, you slut!"

Twitch.

"Woob♥ Wooboob♥ Keob♥ Woob♥ Woob♥."

When I raised my voice and gave the order, she glanced up at me before taking me deeper. The sounds of her gagging mixed with the lewd noises of her sucking, but she showed no hesitation.

'Ah… this feels even better than with Yeonji…'

I felt guilty for comparing them, but my mother-in-law's skills were unmatched. Even as she struggled to breathe, her tongue never stopped moving, working every inch of me. Her cheeks hollowed as she sucked, her face a picture of lewd devotion. She truly looked like a filthy sow, completely consumed by her desire for me.

'Can I do this?'

My hidden desires began to surface as I watched her devoted performance. I placed my trembling hand on her head.

"Suck it deeper, I said!"

Thump!

"Keob!?♥."

I forced my erection deeper into her throat than she could handle. She grabbed my thigh, trembling, but instead of pulling away, she wrapped her arms around me and continued to suck with even greater fervor.

"Woob!?♥ Keob!?♥ Booob!?♥ Boooooo!?♥ Keooob?!♥."

The sounds grew filthier, more gluttonous. She prioritized my pleasure over her own comfort, swallowing me whole.

"I'm going to cum!"

Brrt brrt brrt brrt.

"Woooooooob!?!♥♥."

I ejaculated deep in her throat, filling her with my release. The excess spilled out of her mouth and nose, making her already lewd face even more obscene.

Slurp.

"Puhah… Cough! Cough! Cough! Haa♥… Haa♥."

Finally able to breathe after I pulled out, she lowered her head, exhausted.

'Did I go too far?'

I had acted on impulse, but now I wondered if I'd been too harsh.

"Mo, Mother-in-l…"

"Thank you for giving me so much, Master♥ Beeh♥."

Before I could apologize, she looked up, her face covered in semen, and smiled brightly.

"I'm sorry for letting your precious gift spill out so carelessly♥."

She opened her mouth wide, showing me she had swallowed everything except what had spilled onto the floor and smeared on her face.

"I'll clean up every drop of my master's precious gift♥ Lick♥ Lick♥ Lick♥."

She immediately lay down and began licking the spilled semen off the floor. My worries were pointless—she was smiling, happier than ever.

As I watched her, I felt the last of my inhibitions crumbling.

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