"During their confrontation with the two mystery Trainers, Henry and Casey receive assistance from Piers, the Gym Leader of Spikemuth. After discovering that someone they already know is working behind-the-scenes with the two rival Trainers, Henry and Casey head to Rose Tower to discover the truth about their adversaries. Will the Darkest Day descend upon the Galar region?!"--Back cover.
General Note: In English, translated from the Japanese.Reads from right to left in the traditional manga format."Original Japanese edition published by Shogakukan"--Copyright page."A Pokémon adventures special edition!"--Back cover.