"You... why are you here!"
Akatsuki looked in shock at the figure before her, the size of a plush doll as if it had stepped right out of a fairy tale.
"Meow? Hehehe, to make this world more interesting, of course!"
Neco Arc, also known as Cat Princess, the True Crimson Moon.
In a sense, she is an existence even more free than Eren!
Occasionally, she appears to cause social chaos and fun due to her own lack of morals or depraved interests.
She looks exactly like Arcueid, but no one knows the relationship between her and Arcueid.
"Hehehe, tremble! Fear! Be conquered by my power! I am Neco Arc! Wahahahaha-meow!"
Akatsuki looked at her warily. "What is a side-story character like you doing in the main story!"
"What did you say?! Even side-story characters have their own freedom! I sensed your presence and crossed the Inner Sea of the Planet with great difficulty to reach this unknown world!"
"Back then, I was always gazing at the Inner Sea of the Planet from afar, constantly asking my friend, 'What lies beyond the sea?' Today, I have finally reached the other side of the sea! And yet you call me a side-story character?!"
"I am the true heroine of this series! I'll use any means necessary to reach the Happy End, you fake modeled after Crimson Moon!"
Crimson Moon, also known as the "King of the Moon," the original True Ancestor, the UO of the Moon!
Akatsuki's lip twitched at the word "fake." "You brat, have I been too easy on you?"
Neco Arc acted as if she didn't see Akatsuki's expression, still maintaining her haughty attitude. "Meow? What can you do to me? I'm just a tiny little kitty."
Saying that, Neco Arc put her hands on her hips and stroked her whiskers.
"By the way, where is Misaki City? Why don't I see that perverted glasses man?"
"Misaki City? Perverted Glasses Man..." Akatsuki suddenly felt a headache coming on. It turned out this girl had mistaken her for the Princess, so she just crossed the Inner Sea of the Planet without even checking the destination!
"This isn't the world of tsukihime, and Misaki City might not even exist here."
"Nani?!"
After explaining it to Neco Arc, she looked at Akatsuki in shock. "This really isn't tsukihime?! And Misaki City might not exist?!"
"Holy Grail War... Fuyuki City... Three Founding Families... Servant... How can this be..."
Neco Arc hung her head in dejection, as if she had suffered a massive blow.
"Do you understand now? This is Fuyuki City, centered around the Holy Grail War, the world of Fate/stay night. It's far removed from the world of tsukihime, so you should just hurry back."
Akatsuki looked at Neco Arc with disgust. To her, this creature was a completely uncontrollable factor. There was no telling what major incident she might cause the next second. Moreover, side-story characters like Neco Arc often possessed power beyond human comprehension.
What was that saying?
Never compare power levels with characters from a gag series.
If she planned to stay in Fuyuki City long-term, the difficulty of Akatsuki's ambition to start a harem would probably increase exponentially!
Therefore, she had to send her back where she came from!
"Fuyuki City... Holy Grail War... Servant... Holy Grail? Wait, the Holy Grail!"
Neco Arc seemed to have discovered something important and immediately perked up, the excitement in her eyes almost becoming tangible.
Seeing Neco Arc like this, a bad premonition arose in Akatsuki's heart. Before she could act, Neco Arc pulled a shield out of her pocket.
"This is the Shield of the Round Table; by all rights, it should have been in Mash's hands!"
"Could it be..."
"Exactly that 'could it be'! Since I came to the wrong place, I'll just turn Fuyuki City into Misaki City! I'll use the Holy Grail to change this world directly!"
"Are you kidding me! All seven Servants should have been gathered already. You can't possibly summon another Servant!"
"Ehehehe-meow! I felt it! Assassin's summoning was an irregular one! With just a little interference, I can summon the true Assassin!"
Akatsuki's face darkened. She hadn't expected Neco Arc to find a loophole in the Holy Grail War so quickly. If she wasn't stopped soon, the consequences would be disastrous!
"Too bad! It's already too late!"
The Shield of the Round Table instantly erupted with a blinding light. Over at Ryūdō Temple, Caster immediately sensed the anomaly. After all, she was the culprit behind the irregular summoning of Assassin; with the contract between her and Assassin broken, she was the first to notice the problem.
"Assassin! Come out! Assassin!"
Caster rushed to the gate of Ryūdō Temple, only to see Assassin's sword disappearing. "How is this possible! Assassin has been replaced... Lord Sōichirō!"
Elsewhere, the atmosphere between Tohsaka Rin and Matou Sakura was also broken at this moment.
Matou Sakura, who already possessed peerless talent, had become even more sensitive to magical energy after turning into a Dead Apostle. Thus, the moment the True Assassin was summoned, she sensed it.
"Rider!" "Archer!"
Both called out their Servants almost simultaneously. Tohsaka Rin looked at Matou Sakura in surprise. In her memory, the Matou Family's magecraft should have declined, yet Matou Sakura was actually a Master too.
"You... you really are just like Crimson Moon!"
The magical energy inside Akatsuki was surging; the power of the True Ancestor was being activated.
"Akatsuki!"
The first to arrive was actually Shirou Emiya. This could be considered the effect of the protagonist's halo, though the current situation was dangerous and not suitable for a Shirou Emiya who hadn't yet opened his Ren and Du Meridians.
"Run! She's Assassin's Master! You're no match for Assassin!"
Clang!
Flicking away a dagger thrown by Assassin, Akatsuki quickly rushed toward Shirou Emiya. Judging by the attire, this Assassin was likely a member of the Order of Assassins, though Akatsuki didn't know which generation of Hassan it was.
"Go, go, Assassin! Take them down! The Holy Grail is mine! I'll become the protagonist, reach the Happy End, and then claim all the beautiful girls for myself!"
"That's my goal!"
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