Noel inhabits Planet Noel, a floating island shared with a canine companion named Pup, also known as Kisonosuke. Daily life involves conceiving imaginative ideas, such as deciding the sun needs ice cream to cool down. This sparks a journey undertaken in a propeller plane alongside Pup.

Travel brings encounters with distant lights coalescing into planets. A significant stop occurs at Planet Gaudy, where the President greets them and invites participation in a showcase of elaborate clothing designs. Noel expresses the perspective that external adornment is unnecessary for worthiness or beauty, advocating inherent value exists regardless of attire. This viewpoint influences the planet's citizens and President, leading them to remove their garments. After Pup gently reminds Noel of the mission to reach the sun, the journey resumes.

Upon reaching the sun, ice cream is delivered. The sun acknowledges the gesture but expresses concern about encroaching smog from an unidentified source. Efforts to locate this source result in becoming enveloped by the pollution. Escape involves submerging underwater on another planet, where initial appreciation for aquatic scenery shifts to noticing distressed, ill marine life and accumulating sludge on the seafloor.

Noel demonstrates problem-solving initiative confronting environmental threats like the smog pollution. Assistance is sought from Super Zoomer, a whale possessing superhero-like capabilities, who intervenes to dissipate the pollution threatening a city inhabited by anthropomorphic animals like foxes and bears. This city had enjoyed clear skies before industrial activity caused deterioration; Super Zoomer's actions facilitate restoration.

Throughout these experiences, multiple musical sequences occur featuring stars, asteroids, and comets during space travel. Unexpected elements arise, including underwater encounters evoking the Beatles' Yellow Submarine and observations of flying infants riding tricycles in formations spanning historical eras.

The core personality exhibits confidence in expressing viewpoints and influencing others, evident in the Planet Gaudy sequence advocating simplicity and intrinsic value. The relationship with Pup involves cooperation and gentle reminders about shared objectives. Responses to environmental challenges reflect proactive engagement, seeking solutions to pollution while navigating diverse and surreal planetary landscapes.