When Everyone Else Regressed, I Rejuvenated

Synopsis

The moment I saved the world, I died.
…Or so I thought.

I believed I had no regrets — I saved this world and met an honorable death as the Great Archmage.
But then, why am I still alive?
And why am I in the body of a child!?

No one says anything about what kind of curse this is,
and my parents, grieving the loss of their daughter, are about to adopt me as their foster child.

“I am that daughter!”

Well, it can’t be helped.
I’ll live in the family for now and slowly reclaim my place!
…Or so I thought—

“The Great Archmage is alive!”

Wait— I appeared.

“Did you come to take revenge on me?”
“Revenge?”

Then, a mysterious man appeared before me —
he was so kind to me, almost obsessively so, that I couldn’t help but feel suspicious…

“You didn’t kill me. You saved me.”

Turns out, he was the mid-boss I had to kill with my own hands to save the world!?