Mash-up Anime World: Creating the SCP Foundation to Contain Anomalies

T/N: 

Sorry for the late chapter, a long ass black out happened here.

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After obtaining high-level equipment, they had always maintained a careless attitude toward monsters.

Sometimes, they even used the monsters as mere playthings.

Now, even as Delinquent Guy found himself in a desperate situation, his teammates still thought he was just messing around.

Not only did no one step in to save him, but instead, everyone was shouting at him to stop messing around and hurry up to kill the Great Tengu. However, as the pressure on his body continued to increase, the Delinquent Guy could see protective fluid leaking from his neck.

That meant his protective suit was about to fail.

Using his last ounce of strength, he pulled out an ordinary gun from his waist, aimed at the Great Tengu's head, and pulled the trigger.

Yet, the moment he did, he was crushed to death.

Blood splattered, and his body was reduced to pulp.

Ordinary guns had a delay.

The Delinquent Guy didn't live long enough for the delay to end.

After his death, the Great Tengu's head suddenly exploded and fell back into the pool of blood.

This scene left the Osaka Team staring at each other in disbelief.

Even when he died, they still couldn't quite believe it.

And at that moment—

Tap... Tap... Tap...

A crisp sound echoed.

Everyone turned around and saw an eerie old man walking toward them in wooden clogs.

They all recognized him as it was the final boss, Nurarihyon!

Immediately, someone rushed forward, drawing the blade from their waist and slashing at the strange old man.

However, the old man twisted his body and narrowly dodged the laser blade.

The rest of the Osaka Team charged in as well, slashing at the old man from all directions.

Yet, no matter how dense the barrage of blades, the eerie old man dodged them with ease—

As if he was toying with them.

At one point, when a member swung his sword, the old man even stepped onto the blade.

It was as if he had lost interest.

Stepping out of the flurry of attacks, the old man walked toward the blood pool where the Great Tengu had died.

Looking at the fallen Great Tengu, the eerie old man shook his head.

Several members of the Osaka Team, furious, raised their guns and pulled the triggers. After a brief delay, multiple explosions erupted on the old man's body.

But strangely, there was no blood, no flesh splattering—

As if he were just a balloon being popped.

The dismembered old man turned to look at the Osaka Team with a twisted grin.

The next moment, his body began to expand, spreading outward as if multiplying uncontrollably.

Several Osaka Team members who failed to escape in time were swallowed up, becoming part of the creature.

Nurarihyon's second form: Hell of Female Flesh.

A massive creature composed of countless human bodies rose from the ground.

It had the shape of a human—

But upon closer inspection, every part of it was made up of headless women's bodies.

A sight straight out of hell.

And the moment Hell of Female Flesh emerged—

A blade gleaming with electric arcs sliced through the air.

Just as Nurarihyon's second form appeared, it was immediately shredded by the blade, sending flesh and blood flying.

At some point, Oka piloting his mech, had hidden in the square.

The moment Hell of Female Flesh appeared, he launched a surprise attack.

Seeing this, Suu, who had been lying in wait from afar, clenched his fists.

"I told Oka about Nurarihyon's five forms and abilities before the mission started. In the original timeline, he figured out Nurarihyon's traits through battle; this time, knowing them in advance, he launched a preemptive strike."

"A small change, but perhaps it will increase our chances of victory."

Pain Magnet: "Oka is so strong. Knowing the traits in advance, he might be able to cut through Nurarihyon entirely."

Blonde Defeated Dog: "Yeah, yeah! It's like having a game guide beforehand—his win rate should be high!"

Portal Daddy: "I doubt it..."

At that moment, back in the square, Hell of Female Flesh was shredded into pieces, collapsing into a pile of flesh.

But from within that mass of flesh—

Countless black tentacles emerged, writhing upwards.

The tentacles intertwined—

Forming a goat skull at the top, shaping into a monstrous tentacle-headed goat.

This was Nurarihyon's third form.

Without hesitation, Oka, still piloting his mech, slashed again.

A blade of pure electricity tore through the air. In an instant, countless tentacles were severed. But unlike the second form, there was no splatter of blood and flesh.

The next moment, the severed tentacles reattached—

Continuing to shape the goat-headed body.

It wasn't that the third form had greater regenerative abilities—

It was because Oka was no longer an unseen attacker.

His attack was no longer a surprise.

So, no matter how strong his strike—

It would not deal any damage to Nurarihyon.

But at that moment—

Oka did something shocking.

He charged straight toward Nurarihyon in his mech.

The next second—

The mech suddenly disassembled.

Cables and mechanical parts rained down like a collapsing building.

Seeing this, the Multiversal Chat Group exploded with reactions.

Pain Magnet: "What's happening? Why is Oka abandoning his mech?"

Blonde Defeated Dog: "This... isn't he doomed now?"

Big Sister is Supreme: "A great swordsman always has their own judgment."

Portal Daddy: "I see now. Oka is a high-IQ fighter. By abandoning and dismantling his mech, he creates chaos, allowing him to hide once again—only through surprise can he land a fatal strike."

And just as Doctor Strange sent his message—

Within the falling mech debris, a brilliant white light shone.

Countless tentacles were instantly obliterated by the white light, shattering into pieces.

The goat head, which had just formed—

Was torn apart.

Emerging from the wreckage—

Oka, now wearing a special combat suit.

Using the chaos and cover from the mech's destruction, he had successfully hidden himself—

And launched a surprise attack.

Nurarihyon's third form—dead!

As the wreckage settled and the dust cleared—

Two figures stood in the smoke.

One was Oka, clad in his special combat suit.

The other—

Was a towering two-meter bald brute.

This was Nurarihyon's fourth form.

Though it had lost its massive body—

This form was far more terrifying than the previous ones.

"I see... you seem to know my traits. But why? How do you know?"

The bald brute spoke, staring at Oka.

Oka remained silent—

From his suit, two blades extended, held at his elbows.

"You don't want to answer? Fine. It doesn't matter. As long as I kill you, the others are no threat. No matter what you know, it's not enough."

With that, the bald brute charged forward, swinging his fist.

Oka dodged swiftly—

His elbow blade slashed, cutting the brute in half.

The brute folded backward—

But no blood flowed, the wound instantly healed.

And then—

The brute's elbows sprouted blades just like Oka.

Nurarihyon's fourth form—learning.

Once again, the two rushed toward each other, clashing in battle.

This time, the bald man mimicked the very martial technique Oka had just displayed, sweeping his elbow blade in an attack.

Oka quickly bent down to evade, barely avoiding the strike.

The metallic cables of his specialized protective suit were easily severed by the bald man's blade.

In the first round, Oka had the upper hand.

In the second round, he fell into a disadvantage.

The most terrifying aspect of Nurarihyon's fourth form was its horrifyingly fast learning ability.

At this rate, Oka might be cut down instantly!

For the third time, the two charged at each other.

However, just before their blades met—

Oka's specialized protective suit suddenly released a massive burst of steam.

The steam instantly engulfed everything around them.

The bald old man swung his elbow blade, slashing straight through what was in front of him, cleaving it cleanly in two.

But upon closer inspection, he realized it was only an empty protective suit.

At the same moment Oka had shed his suit, he had already maneuvered behind the bald man.

The blade at his waist unsheathed, making a one decisive stroke. 

The bald man was sliced in half.

This time, blood sprayed everywhere!

The Nurarihyon's fourth form—dead!

After slaying the fourth form, Oka suddenly collapsed to the ground.

Suu watched this scene with a mix of surprise and confusion.

According to the original scenario, Oka, after killing the fourth form, should have immediately fled and attempted to hide once more.

However, because the fifth form of the Oka possessed an extremely powerful sense of perception, Oka was eventually found and instantly killed.

But at this moment, Osaka Team's communicator suddenly crackled to life.

Oka's voice came through.

"Suu, just as you said, Nurarihyon can only be killed by an attack it doesn't anticipate. Next, I will wear the second set of specialized protective gear and face the fifth form of Nurarihyon. You haven't been detected by Nurarihyon yet. I'll act as bait, and you will be the one to kill it for good."

Oka's voice was incomparably calm, without the slightest hesitation, as if he were merely stating an inevitable fact.

Suu's eyes widened.

She hadn't expected Oka to already know that he stood no chance against the fifth form of Nurarihyon.

He was even willing to use his own life as bait so that she could finish off the creature.

And indeed, this was the method with the highest chance of success.

Pain Magnet: "Oka!"

Big Sister is Supreme: "I see… Truly a swordsman worthy of respect."

Hall Master of Wangsheng: "To have accepted death… A remarkable man."

Blonde Defeated Dog: "Is this really the only way?"

As sorrow enveloped everyone—

An unexpected change occurred in Tokyo Plaza.

The fifth form of Nurarihyon had yet to appear.

But on the other side, a twisted light suddenly emerged, gradually taking the shape of a gateway...

(T/N: Oka = Levi of Gant'z verse.)