Synopsis
In a world where humanity lives underground, a young boy named Simon discovers a mysterious artifact that could change everything.
He teams up with his charismatic older brother figure, Kamina, who dreams of seeing the surface.
Together, they break through to the world above, encountering dangers and mysteries they never imagined.
They meet Yoko, a skilled sharpshooter, and join the fight against the Beastmen who control powerful robots called Gunmen, terrorizing the scattered remnants of humankind.
Simon, Kamina, and Yoko, along with new allies, embark on a thrilling journey to reclaim the surface for humanity and uncover a larger, hidden truth about their world.
Watching Order (By Release Date)
Include manga
Include additional content
