1girl, ahoge, alternate hair length, alternate hairstyle, arm up, bare shoulders, blush, closed mouth, coat, coat on shoulders, demon girl, demon horns, flat chest, hair between eyes, hair ornament, hairclip, halo, horns, looking at viewer, off shoulder, official alternate costume, one-piece swimsuit, parted bangs, ponytail, purple eyes, school swimsuit, short hair, side ponytail, simple background, single hair ring, sleeveless, solo, swimsuit, white background