Luna lives as a young woman in a demon-haunted deserted town. She recognizes the swordsman Takeru as the prophesied warrior destined to retrieve six jewels and liberate captured female warriors from a demon castle, subsequently aiding his quest.

Her background establishes her as a sorceress. Previously captured herself and held within the demon castle, she required rescue by Takeru. Following her liberation, she forged a relationship with him, resulting in the birth of their son, Kakeru. Luna thus directly links the initial trilogy to the sequel narrative focused on Kakeru.

Years later, Luna occupies a matriarchal role. She is identified as Kakeru's mother during the events of Dragon Knight 4, where her son confronts the wizard Lushifon's plot to destroy civilization. Her legacy as Takeru's partner and Kakeru's parent forms a core element of the series' continuity.

Luna's arc traces her evolution from captive to active combatant against evil, culminating in her role as a foundational family figure. Her actions and relationships drive the overarching narrative across multiple generations of protagonists within the franchise's official continuity.