Rukia Lucia Naruse

Rukia Lucia Naruse is a supporting character from the anime and light novel series The Testament of Sister New Devil BURST. She is a female demon affiliated with the Moderate Faction, serving as a close aid to Ramusas, and is the older sister of Maria Naruse. Rukia is a stoic, disciplined, and responsible maid who contrasts sharply with her mischievous sister Maria. Despite her serious and initially distrustful demeanor toward humans, she is deeply caring and protective of her family.