3rd volume of manga ships on September 28 with epilogue,ships 1st volume on Tuesday

Shogakukan's Web Sunday digital manga website published the last chapter of Satoshi Yamamoto and Hidenori Kusaka's Pokémon Omega Ruby & Alpha Sapphire manga on Tuesday. The chapter notes that the manga's third and final compiled book volume will ship on September 28 with an added epilogue chapter.

Viz Media is publishing the manga in North America, and it describes the story:

Ruby, Sapphire and Emerald face a new crisis of epic proportions: a giant meteor hurtling toward the planet! Don't miss these awesome new adventures inspired by the best-selling Pokémon Omega Ruby & Alpha Sapphire video games and picking up where the Pokémon Adventures Ruby and Sapphire saga left off!

Shogakukan's Web Sunday digital manga website began serializing Pocket Monsters Special Omega Ruby & Alpha Sapphire arc manga in January 2015. The second compiled volume shipped in February. The manga serves as the 13th part of the Pocket Monsters Special manga series. Viz Media is publishing the first volume on Tuesday, September 6.