Crossover Anime: Starting with Bankai from Demon Slayer

Chapter 176 An absolute perverted Sandman maniac!

If it weren't for the boning knife he was holding, dripping blood, no one would associate him with the word "serial killer."

Ryunosuke Usui.

A madman who has recently committed a series of crimes in Fuyuki City, treating murder as an art.

"Oh dear, don't look at me like that, it makes me shy."

Ryunosuke hummed an unknown tune, flicked the blood beads off his hands, and said as if chatting with an old friend, "I was going to let you sleep a little longer, but since you're awake, there's nothing I can do about it."

He walked to a table in the center of the room, where a worn-out, ancient book sat.

He found it in his own warehouse; it contained the method for "summoning demons."

For Ryunosuke, killing had become somewhat boring.

Simple death and the blooming of blood could no longer satisfy his ever-growing curiosity.

He wanted something more exciting.

For example... would you actually summon a demon to see what happens?

"The book says that there must be fresh offerings, and also a medium to connect to the other world..."

""

Ryunosuke flipped through the book, muttering to himself, "Methods are so hard to find, but as for offerings, they're everywhere if you're just a little diligent."

He looked up and scanned Ziguang back and forth between the two trembling girls and Kamado Sumire.

That look in his eyes was like someone picking out ingredients for tonight at the market.

"That boy was too weak. He only bled halfway before he couldn't activate the magic circle at all."

Ryunosuke scratched his head in frustration: "So, it seems I still have to strike when my fear is at its peak?"

As he spoke, he walked toward the two girls in the corner.

"Ugh!! Ugh ugh ugh!!!"

The two girls let out mournful sobs and tried desperately to shrink back.

But behind him was a cold wall, leaving him nowhere to retreat.

"Don't be afraid, don't be afraid, it will be over soon."

Ryunosuke smiled and reached out, grabbing the hair of one of the long-haired girls and dragging her toward the center of the magic circle like a dead dog.

"stop!!"

A sharp, angry shout rang out in the dimly lit basement.

Ryunosuke paused for a moment, then turned around in surprise.

The black-haired girl, whom he had previously considered the quietest and most obedient, was now staring intently at him.

The eyes of the monstrous sulphur at that moment became unusually bright, and the red glow in them resembled burning embers in the darkness.

"Let her go! You're insane!"

"Oh?"

Ryunosuke became interested.

He released the girl who was crying so hard she was almost fainting, and turned to walk towards the stove violet.

"You seem quite energetic, even though you were given such a large dose of drugs."

He leaned closer to the girl's face, the cold blade gliding gently against her delicate cheek. "Aren't you afraid of me?"

"Afraid."

Kamado Sumire looked him straight in the eye, her voice trembling slightly but unusually firm: "But if I'm afraid to stop you, then I'm no different from a blasphemous demon like you!"

"Desecrating life? No, no, no, this is art, this is exploration!"

Ryunosuke laughed exaggeratedly, as if he had heard a joke: "You ordinary people just don't understand! Death is the most magnificent moment of life!"

"Like fireworks, a loud bang! That's cool!"

He suddenly sat up straight, a fanatical expression on his face.

"Since you're so energetic, I'll keep you for now."

"The best ingredients should be saved for last."

Ryunosuke turned around and picked up the girl from the ground again.

This time, he did not hesitate at all.

"Let's see if we can succeed this time!"

"don't want--!!!"

With a desperate scream, blood splattered.

Kamado Sumire closed her eyes in pain, biting her lower lip hard until she tasted the rusty blood.

She didn't scream because she knew it would be pointless.

She was desperately trying to regulate her breathing, trying to break free from the shackles of the drugs in her body, trying to break free from this restraint, and bring this evil spirit to justice!

A strong stench of blood began to fill the air.

The blood flowed slowly into the strange magic circle through the grooves in the ground.

"Come on! Mr. Devil! Or perhaps Lord Satan!"

Ryunosuke stood at the edge of the magic circle, arms outstretched, looking expectantly at the blood on the ground: "I've offered my sacrifice, come out and play with me!"

however.

A minute passed.

Five minutes passed.

The magic circle drawn with blood did nothing except become even more foul-smelling.

There was no light, no black smoke, and no monsters crawling out of hell.

The basement was deathly silent, save for the sobs of those who were still alive.

"

"Huh?"

Ryunosuke's smile froze.

He kicked the corpse on the ground with some disappointment, as if kicking a broken toy.

"What the hell? It failed."

"That's what it says in the book... Could it be that my health isn't high enough?"

He paced restlessly in the room, the boning knife in his hand sparking as it scraped against the wall.

"Or is it... that simple death is too monotonous?"

Suddenly, as if he had thought of a good idea, his eyes lit up.

"That's it! Maybe it's due to a lack of markings!"

"Just like writing an address when sending a letter, should I inscribe a summoning incantation on the sacrifice?"

"Wow! I'm a genius! This idea is so cool!"

Ryunosuke jumped up excitedly, his gaze once again falling on the two remaining living people—

A short-haired girl, and Sumire Kamado.

The short-haired girl was completely terrified. Her eyes were vacant as she collapsed to the ground, unable to even cry out.

"Let's use you as an experiment first."

Ryunosuke hummed a song as he dragged the short-haired girl to the center of the magic circle and placed her on top of the corpse.

"It might hurt a little, just bear with it~"

What followed was nothing short of a hellish scene.

Kamado Sumire stared intently at everything that was happening before her, her fingernails digging deep into her palms.

anger.

Extreme anger burned within her chest.

This anger, fueled by her breath, ignited every dormant cell within her body.

That is a tradition passed down through generations of the Kamado family: zero tolerance for evil.

That was a memory etched into his bloodline after his great-grandfather, Tanjiro Kamado, slew countless demons.

"Inhale...exhale..."

As she practiced the breathing technique, Sumire Kamado felt her internal strength gradually returning.

Although it was still very weak, and although her wrists were rubbed raw and bloody by the rough hemp rope, her fingers were already able to move with difficulty.

But at that moment, the short-haired girl also stopped struggling.

Ryunosuke had carved strange symbols all over her body, and the blood almost stained the entire magic circle red.

But nothing happened.

"Failed again?!"

Ryunosuke angrily threw the knife to the ground.

"Why?! What's wrong with me?!"

"Are there really no demons in this world? Can't the gods hear my cries?"

He held his head, squatted on the ground, and threw a tantrum like a child who hadn't gotten candy.

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