remilia scarlet, 1girl, solo, red eyes, blue hair, short hair, wings, bat wings, hat, hat ribbon, ribbon, ascot, short sleeves, frills, puffy sleeves, fang, holding birthday cake, sitting on stairs, looking at viewer, smiley face, Beautiful background, 4k, 8k, Ultra HD, Masterpiece, Best quality, High detailed, beautiful light, best shadow, color blink
