My avatar is the heroine

Muzan's body can split into countless pieces of flesh to escape and then be reborn as a new individual.

If the pieces of flesh are separated and placed elsewhere, does that mean that even if we kill this guy, it will be of no use?

The mysterious female protagonist X appeared silently beside them, her weapon transforming into two.

She decisively prepared to activate her Noble Phantasm.

With a flash of light and a sudden darkness, the light in the surrounding space seemed to be drawn away, leaving only the Sword of Victory surging with energy that seemed to reach the sky.

Muzan, who had become unafraid of sunlight after devouring someone, was now experiencing the approach of death once again.

"Muzan, you're saying you have no weaknesses?"

Artoria's voice reached the other party's ears, her ahoge swayed, and a vast and boundless energy filled every space. Apart from the Stone Pillar and Love Pillar, who were both physically strong, they were able to barely lift their heads and see what was happening. Everyone else was completely crushed.

"At this moment, the interplay of light and darkness is at its strongest!"

The sound came from his throat, the air began to freeze, and the light of the twin swords flashed in front of Muzan in an instant, striking his body.

"I refuse to believe you can't die, Muzan!!"

The energy density is too high, so even if Muzan is not afraid of sunlight, it does not mean that he has become stronger.

The Nameless Victory Sword had posed a deadly threat to him, forcing him to unleash his strongest Blood Demon Art to defend himself.

---Dividing line---

P.S.: I've been sick these past few days, otherwise I could update even faster, but I can't right now.

Chapter 185 The Death of Muzan?

Puff~~~

"you--"

Muzan's furious voice abruptly ceased amidst the continuous flashes of sword light. The aftershocks had already destroyed the surrounding buildings, forcing the Demon Slayer Corps members to retreat, while Rikka's protective shield safeguarded her master.

The agonizing Muzan was forced to explode into countless clumps of flesh and flee, but what was terrifying was that Rikka used a special force field energy to forcibly reassemble these clumps of flesh as soon as they left the body a short distance away.

"Muzan, you can't escape."

As X delivered his final blow, Kurohime followed up with the finishing strike. The combined effect of Hachifusa's +16 Oni and its own pressure continuously slowed Muzan's regeneration.

Rikka even imitated Nakime's abilities, causing this space to fall into a state of complete isolation and seclusion.

Muzan had no chance of escaping; the battle had completely turned into a war of attrition.

In fact, even a casual strike from X should have been enough to kill Muzan. But his regeneration speed was simply too abnormal. Even if he was cut into pieces, he could quickly reassemble and regenerate. This state made even X, who was many times stronger than Muzan, feel troubled.

As the Noble Phantasm was unleashed, Muzan's wails grew increasingly shrill.

With the final blow, Muzan, already mangled beyond recognition, fell to the ground.

But the vigorous vitality and constantly regenerating flesh and blood made X's lips twitch slightly.

"Can't this guy just die?"

"Why not seal him away? Since we've taken control of the Infinity Castle, let's use it to completely imprison him." His tears seemed to flow even more. "How tragic! We came to fight him with such confidence, thinking we could finally resolve this hatred, but Muzan's strength has grown to this extent. Is this thousand-year-old wish really so difficult to fulfill?"

"Let's forget about sealing him. Who can guarantee that Muzan won't suddenly regain control of the city? The sunlight can't kill him, it just means the light isn't strong enough. As long as the energy is high enough to melt him, I don't believe he won't die."

Rikka also created mirrors and magnifying glasses.

The plan was to open the passage to the ground during the day, and then use the light reflected from the mirror to focus through a magnifying glass to completely melt Muzan.

Of course, Rikka's beam skills will not be abandoned.

Logically speaking, there shouldn't be an invincible person in this world. Even Muzan, the ancestor of demons, shouldn't be without any weaknesses.

The so-called overcoming of sunlight must have its limits.

The plan was put into action immediately. Countless mirrors were created by Rikka, and the team members began to scavenge any object in the house that could reflect light.

With only five minutes left, Rikka disappeared, while Muzan remained trapped in the Infinity Castle, unable to regenerate his flesh and blood under the combined attacks of Kurome and the Pillars.

He endured this until dawn, and he still did not die.

As the sunlight grew stronger, Rikka found an opportunity to connect a gap in the Infinity Castle to the outside world.

In an instant, light strong enough to burn skin pierced through, scorching the flesh that Muzan had split off.

The light was so intense that you couldn't open your eyes; even from a great distance, it felt like an atomic bomb was exploding.

To enhance the effect, some temporarily prepared high explosives were also added.

Roast Muzan!

This ghost king never imagined he would end up like this.

He's no longer afraid of sunlight, just like humans, but that doesn't mean he's not afraid of strong sunlight.

Being bathed in warm sunlight can feel very comfortable, but being exposed to a multitude of suns at once doesn't feel the same.

"Muzan, didn't you say you had no weaknesses? How about I throw you into the sun? The surface temperature of the sun is as high as 6000 degrees Celsius, and in the core, it can even reach millions of degrees. Do you know what that feels like?"

A faint smile appeared on Kuro's face. He could already sense that Muzan's flesh was evaporating little by little. When the structure of his cells was completely destroyed, even a god descending to earth would not be able to save him.

"You devil, why is the sunlight so strong?! Ahh, my body!!"

Are you really not afraid of the sun anymore?

In any case, Muzan's current feeling was no more comfortable than that of an ordinary demon exposed to light. After his body slowly melted and completely disappeared, the Demon Slayer Corps members around him immediately removed the mirrors and magnifying glasses, and Rikka also stopped releasing her skills.

There was absolutely nothing left at the scene.

[Muzan dies; main quest complete.]

The hidden quest was not completed, and the special reward cannot be obtained.

[Countdown to your travels has begun. You will be leaving this world in three days.]

Cherish the time you have left!

At that moment, new information popped up on the system panel.

Hei Tong, who hadn't felt anything at first, felt a sudden jolt in her heart when she saw the contents above.

"Going to leave."

It's like not appreciating your loved ones when they're alive, but when they're about to leave or have already left, your heart is immediately filled with the sorrow of parting.

As everyone looked toward the large crater where Muzan had died, Su Lin's main body separated from his clone and then lazily stretched.

"It's over. Muzan is dead. I think my mission in this world is complete."

His laughter carried a hint of reluctance, though not as pronounced as it had been in the My Hero Academia world.

Perhaps it's because they didn't experience a deep sense of friendship from the Demon Slayer Corps.

Most of the people who gathered together to kill demons harbored a deep-seated hatred for them, but Su Lin, an outsider, was the complete opposite.

However, they are going to be separated forever after all.

Unless the system can completely control this Demon Slayer world, just like it did with the Black Bullet world.

However, at present, the possibility of that outcome is very low.

Because the integrity and stability of this spacetime are far superior to those of the black bomb.

"Why? I have a bad feeling."

Tanjiro sensed something was off about Su Lin's words.

"Your hunch was right. I was never born into this world. I came here only to help everyone get rid of Muzan, this guy who disrupts the balance." Kurohime chuckled. "Just consider it a punishment from heaven because they couldn't stand it anymore."

"My God, are you a god?"

Zenitsu Agatsuma cried out in surprise and immediately knelt down on the ground, pleading with a devout expression, "God, please bless me to find a wife as beautiful and virtuous as you."

"Do you want to die? You idiot!" Black Eyes kicked him in the chin, sending him flying through the air several times before crashing heavily to the ground.

"How ruthless," Inosuke muttered.

"Don't worry, I know what I'm doing, I won't die."

Kurohime turned her head and glanced around, her black pupils sweeping over all the pillars. She found that everyone, including Shinazugawa Sanemi, showed a hint of doubt... and reluctance.

"Are you leaving...? Could you really be a god descended from heaven?" Tanjiro seemed willing to believe such words, perhaps because he couldn't smell the scent of a lie.

Chapter 186 I Will Not Forget

"Yes, I'm leaving."

In the first world, she chose to conceal the truth, only revealing it after their separation.

Perhaps that would be too cruel, so this time, she wanted to prepare everyone mentally in advance.

On a rare sunny day, the earth covered with wildflowers was full of life. Hei Tong squatted down, silently picked a flower, smelled it, and then sighed softly, "For me, this scent is indeed worth cherishing. Thinking about it, it's true. I'm standing here now, but in a few days, I won't have the right to enjoy this scenery anymore."

"Don't make it sound like a matter of life and death. If you really are a god, then you can hear our prayers from that sky, right?" Tanjiro smiled, but there was a strange sadness beneath the laughter.

"I'm so sad, I'm so sad." Zenitsu was heartbroken and knelt on the ground, sobbing uncontrollably.

Honestly, it's hard to say whether he was saddened by the departure of the beautiful woman or by the loss of a friend.

"By the way, Genmi."

As if suddenly remembering something, Kuroko's gaze turned to someone who had been silent all along.

"What is it?" Xuanmi asked, puzzled.

"Your brother has always been protecting you. Don't be fooled by his temper sometimes; he's just genuinely concerned about you."

Upon hearing this, Sanemi looked over in disbelief.

He never expected that Kuroko would speak up for him.

Genmi was also startled. He and Sanemi usually argued or fought. They were not close, and it was already good enough that they didn't look like enemies.

Therefore, Xuanmi always had a knot in his heart, not knowing how to face his older brother.

"Well, you guys handle your own problems, I can't be bothered with it."

Black Eyes returned to his original body and sat down with him by the flower bed.

With legs together and gently leaning against my shoulder, the fatigue in my body seemed to vanish in an instant.

"Aaaaaah, my heart hurts!" Zenitsu Agatsuma frantically banged his head against the ground.

"What does your heartache have to do with me?" Su Lin provocatively reached out and pulled Kuro into his arms. This scene undoubtedly gave some of the Demon Slayer members who were full of interest in Kuro a taste of what it meant to be critically hurt.

The beautiful girls are leaving forever.

A gentle breeze blows, and a nightingale sits on a tree trunk, its long golden hair dancing in the wind.

The locked birdcage seemed to hint at her inner loneliness, while Sora leaned against her, took the harmonica from Rikka's hand, and gently began to play it.

Where the stars are.

A song from an old game I played a long time ago; in this world lacking entertainment, such music is unlikely to disappoint.

All the clones were gathered at the scene, but X was not among them.

"Where's the other blonde girl wearing a hat?"

The sound pillar was trying to find the existence of X, and the girl's strength left a deep impression on him.

“She’s the only one who can’t be here right now,” Su Lin shrugged.

"By the way, my lord, let me try to heal you. If your curse has been lifted, then once your injuries are healed, you will be completely back to normal."

Without waiting for her lord's reply, Nightingale waved her staff and released a beam of light.

A few seconds later, his body had fully recovered.

"The curse... seems to be really gone." The lord pulled off the bandages on his face, revealing a handsome male face.

It was a true happy ending. Su Lin smiled, satisfied with his journey in the Demon Slayer world.

"Well then, everything is perfect. Although there was an accident this time, Muzan is really dead. After I leave, you don't need to miss me too much."

"I only think about girls, not you," Zenitsu Agatsuma said shamelessly.

"Whatever, you'll never see it anyway."

Su Lin ignored his words and got up from the ground.

"Over the next three days, I'll visit different places, this Japan from over a hundred years ago."