"Spo-Gomi" is an anime series that centers around a group of high school students who form an unconventional club dedicated to cleaning up litter in their community. The narrative explores their efforts to tackle environmental issues while navigating the challenges of adolescence. The protagonist, Haruto, is a reserved yet determined student who becomes the driving force behind the club after witnessing the detrimental effects of pollution in his neighborhood. Alongside him are Aoi, a spirited and outspoken classmate with a passion for activism, and Riku, a laid-back but resourceful friend who provides comic relief and practical solutions.

The series delves into the students' personal growth as they confront societal indifference toward environmental degradation. Each episode highlights their encounters with various obstacles, such as bureaucratic red tape, public apathy, and their own internal struggles. The club’s activities range from organizing community clean-up events to advocating for policy changes at the local government level. Through these efforts, the characters develop a deeper understanding of teamwork, responsibility, and the impact of individual actions on the broader community.

Secondary characters, including teachers, parents, and local residents, play significant roles in shaping the narrative. Their interactions with the main cast provide additional perspectives on environmental issues and the importance of collective action. The series balances its environmental themes with moments of humor, camaraderie, and emotional depth, creating a well-rounded portrayal of the characters' journey. By focusing on both the personal and communal aspects of their mission, "Spo-Gomi" offers a compelling exploration of environmental stewardship and the power of youth-driven initiatives.