Pushu Pushu hails from planet Pushu Pushu, with interstellar journeys driven by a desire to assist others defining the character's core narrative.

In the first film, Pushu Pushu encounters Nyū, a fairy missing a cheek, and immediately joins the quest to find it. Traveling by rocket across diverse stars, they meet varied friends at different stellar locations during the search.

For the sequel, Pushu Pushu and Nyū embark on a vacation disrupted by an unforeseen accident, diverting them to Southern Island Acorn. There, they interact with a taxi driver named Party.

Throughout these adventures, Pushu Pushu consistently exhibits curiosity and readiness to help others, serving as an explorer navigating multiple worlds to bridge connections between beings.