Lyvia is Lyka's sister and Commander Zion's daughter. She takes over flight instructor duties in the Galactic Force from her sister. She is bitter towards her father and Gallian as she holds them responsible for the death of her sister. She becomes a traitor and joins Kuuma. Nonetheless she saves her father from Kuuma and changes her heart to forgive him. She's also a half-sister of Cervano the biological son of her father. She is killed by Amasonang Kahel while trying to kill Drigo. Lyvia is a homage to Marin of Space Sheriff trilogy.