In the colorful world of Pokémon, Xiaohong is a special existence. He grew up in an orphanage, a helpless orphan, with no memory of his parents. He only learned sporadic information from the dean that they had been admirable beings. In this world that is closely bound to Pokémon, people without partners have a difficult time in society. Although the life in the orphanage is ordinary, it also hides his yearning for the outside world and his longing for Pokémon partners.
Until that day, Xiaohong unexpectedly met Riolu with sharp eyes but a hint of confusion in the deep forest behind the orphanage. At that moment, it was as if the gears of fate began to turn. The eyes of one person and one Pokémon met, and a strange bond quietly grew. From then on, Xiaohong's life trajectory completely changed. He took Riolu on a Pokémon journey full of unknowns and adventures, to explore the past of his parents and write a "travel bond" for himself and his partners.