A space colony teen's life changes when she befriends a refugee and joins underground mecha duels. Her world is further shaken by the arrival of a mysterious Gundam and its young pilot, both sought by authorities.

Nicknamed "Sadako" for her spooky appearance, high schooler Sawako begins to break out of her shell when she befriends popular boy Kazehaya.

Zagan is feared by the masses as an evil sorcerer. Both socially awkward and foulmouthed, he spends his days studying sorcery while beating down any trespassers within his domain.