Lubich Poupelle is a young and curious boy living in the industrial town of Entotsu Machi, a place perpetually shrouded in smoke and darkness. Known for his adventurous spirit and unwavering determination, Lubich sets out to uncover the truth behind the stars, which are considered a myth by the townspeople. His journey leads to an unexpected friendship with a mysterious garbage man named Poupelle. Together, they challenge the town's rigid beliefs and inspire others to look beyond the smoke and find hope. Lubich plays a crucial role as the protagonist, symbolizing innocence and the relentless pursuit of truth.