Short chapters often end on subtle cliffhangers.

Olivas employs a that fosters an immediate emotional connection with the reader. Reviewers from The Nerd Daily and Babelio praise the book for its:

The novel highlights the deep connection between grandparents and grandchildren, using Candela’s wisdom as a guiding light for Julia.

Ultimately, it is a "canto al amor" (song to love) and a celebration of second chances. Review: El vuelo de la mariposa by David Olivas

As a professional photographer, Olivas infuses the prose with a cinematic quality, particularly in his vivid descriptions of the Asturian coast and the emotional landscapes of his characters.

The title serves as a metaphor for Julia’s internal transformation—from the "chrysalis" of her sorrow to finding the strength to "fly" again.

The depiction of Julia’s pain is described as "heart-wrenching" and "real".