Happy of Fairy Tail was summoned to another world and became a hero! And its inhabitants aren't human. They're animals, with ears and tails to match. Guided by a mysterious talking heart, Happy soars through the skies of this new world, helping the friends he's making along the way, like a cute bunny, an alluring fox, and even a dog that scares him! What is this place? And will Happy ever make it back home to Natsu and the rest of Fairy Tail? A new adventure begins through uncharted territory, with Happy as the star.