Louise.

She was a child who deserved to be loved but had been rejected by every adult around her, already filled with darkness in her heart.

Her small friend, the young Baron of the Borderlands.

And...

"In the ‘original future,’ Mordred ultimately met his end. But even though Mordred was destroyed, he did not lose. The final Mordred, this child named Louise, succeeded in sealing the sinister being back into this land."

...A child who had to face such a tragic end.

“......”