Within *Koi Suru Tenshi Angelique: Kokoro no Mezameru Toki*, Luva identifies the protagonist Ange as the Legendary Etoile using a sacred prophecy stone. He later confides in Ange, sharing his personal history and recounting his own path to becoming a Guardian, establishing himself as a mentor. Luva directly supports Ange during her initial mission to nurture the Sacred Beast Cosmos, accompanying her to distribute Sacrea energy and witnessing her first successful restoration.

His supportive role continues in the sequel *Koi Suru Tenshi Angelique: Kagayaki no Ashita*, where Luva remains a steadfast presence. He offers guidance and assistance as Ange confronts new challenges in reviving the endangered cosmos. His actions consistently embody his elemental association with earth, reflecting qualities of stability, wisdom, and nurturing throughout both narrative arcs. Information regarding Luva's appearances or development exists only for these core television series.