"Bany" is a manga series that centers on a young boy named Bany, who lives in a dystopian world where humanity is on the brink of extinction due to environmental collapse and rampant warfare. The story begins in a desolate wasteland where resources are scarce, and survival is a daily struggle. Bany, an orphan, survives by scavenging ruins and avoiding the violent factions that dominate the landscape. His life takes a dramatic turn when he encounters a mysterious girl named Lina, who possesses advanced technology and knowledge of the old world.

Lina reveals that she is part of a hidden society that has preserved remnants of humanity’s former glory, including advanced machinery and scientific knowledge. She enlists Bany’s help to recover a powerful artifact known as the "Core," which is said to hold the key to restoring the planet’s environment. The Core is scattered across the world, with its fragments guarded by dangerous creatures and rival factions. Bany and Lina embark on a perilous journey to retrieve the fragments, facing numerous challenges and adversaries along the way.

As the story progresses, Bany discovers that he has a unique connection to the Core, hinting at a deeper mystery about his origins. The narrative explores themes of survival, trust, and the consequences of humanity’s past mistakes. Key characters include Bany, who evolves from a naive scavenger into a determined leader; Lina, whose knowledge and resolve drive the mission forward; and a cast of allies and enemies who shape the duo’s journey. The series balances action, mystery, and emotional depth, with a focus on the evolving dynamics between its characters and the harsh world they inhabit. The plot builds toward a climactic confrontation over the fate of the Core and the future of humanity.