This book is set in the year after Xiaozhi won the championship. Xiaozhi and Pikachu disappeared from people's memories during an adventure, and they were erased from people's memories. Xiaoye traveled to the Pokémon world and found that the Pokémon world had collapsed, the purple aurora in the sky kept turning black and red, the Pokémon were in chaos, and the Pokémon was limited by its own. Xiaoye completed the exploration in constant adventures and finally found the truth.
