Synopsis

The lingering images of a dream—a solemn vow made to the legendary Pokémon Solgaleo and Lunala—made waking a struggle for Ash. On his way to school, he was diverted by Tapu Koko, who led him to a peculiar Pokémon resembling a nebula. Lillie christened it Nebby, and the name stirred a memory in Ash: the promise he’d made to protect it. This drew the attention of Lillie’s mother, Lusamine, the director of the Aether Foundation. She and her associates arrived to assess Nebby, offering care and r