Mary Miyabi is a Captain of Earth Corps. After she receives an emergency communication about a prisoner escaping, Mary is tasked with retrieving them. While in pursuit of the escapee, Mary learns that Earth Corps is developing a weapon that is powered by life force. Enraged that Earth Corps are using children to power this weapon she turns against them. Although she comes off as cold and calculating she is shown to have a soft spot for children.
She pilots the FZ-900J KILLER BEE.