score_9, source_anime, reiny, 1girl, short hair, simple background, shirt, skirt, long sleeves, white background, bow, navel, standing, jacket, tail, full body, grey hair, ahoge, pleated skirt, horns, shoes, socks, puffy sleeves, black skirt, sailor collar, from behind, red bow, multiple views, kneehighs, thigh strap, black socks, outstretched arm, puffy long sleeves, facing away, tail ornament, yellow jacket, drone, mechanical tail