But—
Magic was magic precisely because it possessed the power to make the impossible possible.
"Time Travel" itself was not magic.
There were secret arts within magecraft that could control time, such as Heroic Spirit Emiya's "Time Control" and Morgan's "Water Mirror."
Morgan's "Water Mirror" could even cast the "present" into the "past" thousands of years ago, yet it still could not alter an established outcome.
But true magic could transcend causality and reverse space and time.
Because it was the hand of a miracle that stood above magecraft—a realm that humanity could neither enter nor touch—
"I understand everything you're thinking, Shirou-kun..."
Aoko took a sip of the coffee in front of her and smiled.
"You suffered irreversible damage during the Holy Grail War. It seems that rumor was true after all...
"That's why you wanted to ask Touko for help and have her make you a new body (vessel)."
The boy did not deny it. That was indeed his ultimate goal.
Aoko Aozaki said, "Hmm. If Time Travel were accomplished through my magic and Shirou-kun's constitution—
"Then changing the past would be possible too.
"But... why would I do such a thing?
"Why should I go out of my way to save Touko?
"She's not only my biological sister, but also my mortal enemy in the struggle for magic."
Shirou: "..."
"Why aren't you saying anything, Shirou-kun?"
Aoko pressed him aggressively.
For this one moment, Arisu was deeply grateful for that aspect of her personality.
"If there's something you want to say, then just say it."
Aoko curled her lips in mockery. "Are you planning to lecture me and say, 'Killing people is wrong'?
"Before I'm Touko's little sister, I'm a magus... You're a magus too, aren't you, Shirou-kun?
"Oh, right. I heard that almost everyone survived the