"Freedom" is a seven-episode OVA series set in a dystopian future where humanity resides in a domed city called Eden, isolated from the outside world due to environmental collapse. The story centers on Takeru, a rebellious teenager who dreams of escaping Eden's confines and exploring the unknown. His life changes when he discovers an old lunar rover named Freedom, which becomes his key to uncovering the truth about the world beyond the dome.

Eden is governed by a strict, authoritarian regime that enforces conformity and suppresses curiosity about the outside world. Takeru's defiance of these rules leads him to cross paths with Kazuma, a mysterious figure who claims to have knowledge of the outside. Together, they uncover the existence of a lunar colony, where humanity once thrived before abandoning it. The series explores themes of freedom, rebellion, and the human desire to explore the unknown, as Takeru and his allies challenge the oppressive system and seek to reclaim humanity's lost potential.

The narrative is driven by Takeru's journey of self-discovery and his growing determination to break free from Eden's constraints. Along the way, he encounters allies such as Aoi, a childhood friend who shares his curiosity, and adversaries like the Eden authorities, who seek to maintain control. The series balances action, mystery, and character development, culminating in a climactic struggle for liberation and the revelation of humanity's true history. "Freedom" presents a compelling exploration of a future where the pursuit of freedom comes at great cost, blending science fiction elements with a focus on human resilience and ambition.