Ayakawa Lalala

Will, a boy who can recreate all kinds of magic with just one glance, spends his days peacefully after resolving the monster turmoil that attacked the royal capital. One day, when he goes out to town with his maids, he finds someone in need and Will tries to help him with magic. After encountering his new companion, Tenranker, and a fierce battle with a giant creature-- the boy aims for the World Tree to become the Spirit King!

Willbell is the three-year-old son of the Torkis household, in the kingdom of Philphilia. And, as it turns out, a magic prodigy.Original Web Novel