masterpiece, best quality, solo, 1girl, aged up, happy, ohara_mari, mari_ohara, MariMari, green eyes, blonde hair, demon horns, long hair, crown braid, black choker, blue dress, purple gloves, bare shoulders, off-shoulder dress, purple cape, fur trim, gothic opera idol, dark cathedral stage, red stained glass glow, marble altar, candelabras flickering, shadows dancing around, powerful and haunting presence, dramatic and emotional performance
