Pokémon: Sun & Moon: Ultra Adventures

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Pokémon" Season 21.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown/asterisks/headings/bullets in the prose (though the primer is an array). Output valid JSON only.
Input Data:
TMDB Synopsis: Ash dreams of Solgaleo and Lunala and makes a promise, but forgets it upon waking. A Pokémon named Nebby might help him remember. Ash, Pikachu, and students from the Pokémon School explore the Aether Foundation, an organization for Pokémon conservation and care. The foundation may not be as innocent as it seems. Ash and friends must work together to protect people and Pokémon against a mysterious power.
Source [1]: General info.
Source [2]: Ash Ketchum's quest to be the greatest Pokémon trainer by catching Pokémon and challenging leagues. Pikachu is his partner.
Source [3]: Ash's journey started on his 10th birthday with Pikachu.
Source [4]: Streaming info.
Source [5]: Franchise info.
Drafting Overview:
Ash Ketchum experiences a dream featuring the Legendary Pokémon Solgaleo and Lunala, during which he makes a specific promise. However, upon waking, he is unable to recall the details of this commitment. A strange Pokémon known as Nebby may assist him in recovering his lost memory. Alongside Pikachu, Ash and his fellow students from the Pokémon School investigate the Aether Foundation, an organization that is dedicated to the conservation and care of Pokémon. While the foundation presents itself as a benevolent entity, it may not be as innocent as it appears to be. As Ash and his friends explore this organization, they must work together to protect the people and Pokémon they care about. They face a mysterious power unlike anything they have ever encountered before. This season follows the group as they navigate the complexities of the Aether Foundation and attempt to safeguard their companions and the environment from this unknown threat while seeking to uncover the truth behind Ash's forgotten promise and the nature of the mysterious power.
Word Count Check:
"Ash Ketchum experiences a dream featuring the Legendary Pokémon Solgaleo and Lunala, during which he makes a specific promise. However, upon waking, he is unable to recall the details of this commitment. A strange Pokémon known as Nebby may assist him in recovering his lost memory. Alongside Pikachu, Ash and his fellow students from the Pokémon School investigate the Aether Foundation, an organization that is dedicated to the conservation and care of Pokémon