City of Witches

Chapter 512: A Cooperative Relationship (5)

0% 1.

“Haa... ngh... haa... haa...”

It took Deneb a whole minute to catch her breath after cumming before she could even speak.

During that time, Siwoo was also panting hard, feeling the way her soft, twitching insides gripped him.

Honestly, he could’ve pulled out right after he came, but he didn’t.

The way her pussy tightened and pulsed around him after getting recharged with mana, it was just too good to leave.

Like how the first bite of fried chicken always hits the hardest.

Like collapsing onto the couch after a hellish overtime shift.

Because once something repeats, the sensation dulls.

The intensity just isn’t the same anymore.

The orgasm that comes right after a rough, deep fuck—it’s a whole different kind of high. Siwoo was still caught up in it.

Deneb’s eyes, wet with lust and hazy with pleasure, slowly started to clear up.

“...Mr. Siwoo, now... let go... of my breasts...”

“Oh, sorry. I didn’t even notice...”

Deneb couldn’t even meet his eyes, mumbling like a whisper.

Only then did Siwoo notice that one of his hands was tightly gripping Deneb’s breast.

He finally pulled out.

-Squelch

“Hnng...”

Even after the main act, his little mother-in-law’s pussy was offering full aftercare.

Her tight entrance slid over his cock, scraping off whatever cum was left inside, while her fluttering lips clung to his shaft, as if licking it clean.

A stream of white dripped out from the slightly reddened slit.

He had already come once, but with stamina like his, it was nowhere near enough.

His cock throbbed, smeared in her juices, his cum, and a faint trace of blood, twitching like it was saying, ‘This ain’t over’.

Deneb curled her legs in and used spell to clean everything up.

Siwoo quietly pulled on his underwear and pants beside her.

They looked like two friends who’d hooked up in a drunken haze, but what happened here was something way more twisted.

Because, no matter how you cut it, they were son-in-law and mother-in-law.

“.......”

Then came the storm of awkward silence.

Deneb fixed her panties, even put her cloak back on despite the heat, brushing her hair back over and over on the bed, while Siwoo, parched, just chugged the tasteless wine.

“Ms. Deneb.”

“...What?”

They’d accomplished their goal.

But the real danger wasn’t over.

They couldn’t just sit around in awkward silence until nightfall, so Siwoo broke the ice.

“Did your mana charge properly?”

“Yes! It did! Like, better than expected!”

But Deneb, who’d been sitting there all timid and quiet, suddenly snapped at him.

She sounded hurt, pissed, but also a little emotional.

“The recharge worked perfectly! Freakishly well, actually! But seriously, Mr. Siwoo! If it was gonna be that intense, you could’ve given me more of a heads-up!”

Now, one thing needed to be made clear: Deneb always got angry when she felt embarrassed.

It had been a vague theory until now, but with enough moments like this, Siwoo had her figured out.

In other words, his little mother-in-law was currently extremely embarrassed.

“I mean, I did tell you.”

“I didn’t know it would feel this good... no, I mean, this intense!”

Deneb grumbled, messing up her own hair like she was ready to yank it out.

But it was not like Siwoo had any control over it, either.

Even Deneb, who had burst out in anger, quickly quieted down, realizing this pointless tantrum would only chip away at her dignity.

Yelling at him was basically the same as screaming, ‘God, it felt amazing!’

Then her eyes scanned Siwoo up and down, and she zeroed in on something else.

“...And my breast.”

“Ah...yeah, I’m really sorry about that.”

“What we agreed on was just recharging, right? A little movement, fine, but where the hell did you learn to grope like that?”

And she wasn’t wrong.

He’d grabbed Deneb’s left tit without asking, right as he was blowing his load inside her.

Siwoo had nothing to say to defend himself.

“My boobs aren’t some kind of handle, you know! They’re important to a woman, okay? Can you get that through your head?!”

“I... I’ve got no excuse. I’m really sorry.”

It’s not like she hated it at the.

If she had, no matter how frantic things got, she would’ve slapped him with a stern warning on the spot.

Honestly, the second his strong hand clutched her tit, she felt this deep throb roll through her lower belly.

But admitting that was a different story; her moral compass, and her pride as a witch before even being a woman, wouldn’t let her say it out loud.

“Still, Iguess this gives us a way forward.”

“Are you seriously trying to change the subject right now? If you thought I’d let that slide, dream on. And another thing...!”

Just as Deneb was about to launch into a full-on rant...

A huge bell rang out—good timing or bad, who knew.

In the distance, the sound of flying fish flapping echoed, and the sky turned dark in an instant.

“Ms. Deneb, I think we need to move.”

“I know. Anyway, let’s just get out of here. And don’t think for a second that we’re done talking about that slip-up.”

And so, Deneb and Siwoo entered their second night together.

2.

They’d already made their plan for what to do after recharging her mana.

No more tricks or gimmicks—Deneb would go all in.

They had learned from last night’s battle that petty tricks wouldn’t work against their opponent anyway.

The only way through was to hit it with something so powerful, not even that monster’s size or insane healing could take it.

So while Siwoo held off the flying fish, Deneb would prep a massive ritual spell.

-KUUOOOOOOOOHHHH!!!

Tearing through the dark sea in the distance, the Kraken emerged with a deafening roar, not even glancing at the flying fish as it lunged forward in a rage.

True to its octopus-like form, the creature was smarter than it looked.

It remembered the pain and humiliation from yesterday.

It seemed to be furious at the annoying prey that had caused it great pain from the beginning with its mottled body and had dodged its attacks skillfully.

The earth shook as buildings crumbled and the fortress wall gave way with a deafening crash.

But even in the middle of all that chaos, Deneb stood steady, eyes shut, finishing her spell.

Among all the magic she could cast solo, the most destructive were her curses.

Before monotheism ever took hold, people all over the world used to worship countless local gods.

However, the monotheistic religion, born of arrogance and power, did not tolerate the minor gods that deviated from their definition.

For hundreds, even thousands of years, all the old gods that had taken root were branded heretical, persecuted, and their statues and murals burned to ash.

Deneb’s song wasn’t just a chant—it was a revival of myths that never survived into modern times. A curse woven with their rage and sorrow: ‘The March of the Forgotten Gods’.

“Trhith Attiriade Sorf Sajaek......”

-Gurgle! Gurgle!

Even though the language was unlike anything in this world, her voice was still a beautiful soprano.

But her aria carried more weight, more solemnity... and a deep loneliness.

Dark, muddled shapes like charcoal sketches washed away by rain began forming an army at Deneb’s feet.

Looking closely, they started to take form.

A stag with enormous antlers, a carp with eight whiskers, a man with two heads, a serpent with pale scales, a one-eyed woman, a phoenix burning without end...

Remnants of ancient gods once worshipped and revered.

Perhaps sensing danger, the Kraken picked up speed.

Even though they’d kept their distance, knowing which way the Kraken would come from, it was closing in way faster than expected.

Siwoo frantically swung his sword to fend off the endless swarm of flying fish.

“KUOOOOOOOO!!!!”

A long, thick hunting tentacle slashed down, tearing through the air like a whip.

The hit landed with the weight of a building collapsing on them.

“Ms. Deneb!”

There was no time to waste now.

If she was going to stop casting and dodge, this was her one and only shot.

Just as Siwoo couldn’t take it anymore and grabbed Deneb to run...

“ElAT!!!!”

With Deneb’s final chant, a horde of wraiths burst free all at once.

The ghostly shapes of the old gods shot upward, trailing smoke like they were ascending to the heavens.

Compared to the Kraken’s massive limbs, they looked fragile, as if they could disappear with a puff.

But then—

-Fsshsssshhk

The same tentacle Siwoo couldn’t cut, no matter how hard he tried, unraveled the moment it touched the shadowy figures, then rotted and snapped like an old rope.

These forgotten wraiths, buried in decay like sour, dead earth, had no memories, no sense of who they were.

To share their grief.

To convey their agony

They moved on pure instinct, dragging anything living they touched straight into the pit.

The decay that had started at the tip began crawling up the Kraken’s leg at terrifying speed.

Even its magic-dispersing scales meant nothing before this curse.

“KUO! KUOOO! KUOOOOO!!!”

The rot spread in seconds, and the Kraken convulsed like an octopus thrown onto a burning grill.

-BOOM! BOOM! BOOM!

The harbor town crumbled in the blink of an eye from the violent thrashing.

Caught in the blast, the flying fish dropped like gnats hit with bug spray.

-KUOOOOOOOO!!!!

Deneb had poured out all her remaining mana in that spell—and she knew it was the strongest card she could’ve played in this moment.

But even with half its legs blown off, the other half torn and tattered, and its torso melting down into sludge...

The Kraken was thrashing wildly.

“...That thing’s still alive?”

It was certain that the spell had hit.

But once again, Deneb and Siwoo had to face just how terrifying that thing’s regeneration was.

The second the magic faded, the beast’s body started healing right away.

Even its head part was coming back so fast, they could literally see the flesh growing back in real-time.

“Ms. Deneb, do you think you can hold on alone for a bit?”

Now was their chance.

If they charged before it regained more strength, they might be able to slice that colossal monster down.

Siwoo made a cold judgment and asked Deneb.

No matter how perfect the timing was, if she couldn’t hold her own, he couldn’t just leave her there.

“...Yes. I’ve still got enough left in me to take care of the scraps. Now go.”

Deneb nodded her head with difficulty.

But before Siwoo and Deneb’s plan could even begin, the Kraken ruined everything with one unexpected move.

-FWOOOOOOSH!!!!

The Kraken, which had been grotesquely huddled, floated up with a buoyant motion.

It looked completely different from the way it had been sluggishly crawling before.

More like a flying fish flapping, or one of those damn piranhas they’d seen earlier.

The Kraken, floating its huge torso as if it were in the water, folded and stretched its legs and disappeared into the sea in an instant.

It bailed so fast they didn’t even have time to react.

All Siwoo and Deneb could do was stare after it, dumbfounded, like a dog chasing a chicken, only to watch it fly up onto the roof.