Crack—

With a soft sound, the top of the eggshell was broken open by an unknown creature inside, and a small, fiery head poked out.

Immediately after, a slender, fiery little girl crawled out of the egg.

The little girl looked like a seven or eight-year-old child, but her body was much smaller than that of an average human child of the same age, as if she had stepped out of a painting.