This is one of the consistently explored 'what-if' scenarios derived from "The Devil Princess ~A Laid-Back Devil's Story~" http://ncode.syosetu.com/n3479cu/.

What would happen to the other characters if that girl were born human instead of a devil?

The kind-hearted dwarf princess, four-year-old Françoise, is envied by her elder sisters for her beauty and driven into a predicament. The only thing that can overcome this is the magic left behind by a legendary princess.

※ Very short. Fairy tale-like.