"Hanger" is a manga series set in a dystopian future where society is divided into rigid class systems, with the wealthy elite living in luxury while the lower classes struggle in poverty. The story centers on a young man named Ryo, who lives in the slums and works as a scavenger to survive. Ryo’s life takes a dramatic turn when he discovers a mysterious device known as the "Hanger," a powerful weapon capable of immense destruction. The Hanger is highly sought after by various factions, including the oppressive government, rebel groups, and criminal organizations, all of whom seek to control its power.

As Ryo becomes entangled in the conflict surrounding the Hanger, he is forced to confront his own moral dilemmas and the harsh realities of the world he lives in. Along the way, he forms alliances with a diverse group of characters, including a skilled hacker named Aya, a former soldier named Kaito, and a mysterious girl named Rei, who has her own connection to the Hanger. Together, they navigate a dangerous landscape filled with betrayal, political intrigue, and intense battles.

The narrative explores themes of power, inequality, and the consequences of technological advancement. Ryo’s journey is marked by his struggle to protect those he cares about while grappling with the destructive potential of the Hanger. The series delves into the complexities of its characters, revealing their motivations and backstories as the plot unfolds. The world-building is detailed, presenting a bleak yet compelling vision of a society on the brink of collapse. The story builds toward a climactic confrontation that forces Ryo and his allies to make difficult choices with far-reaching implications.