nikuya (nikuniku nikuya), ako (blue archive), hina (blue archive), blue archive, absurdres, commentary, highres, 2girls, ahoge, alternate costume, ass, back, backboob, bikini, black halo, black horns, blue eyes, blue hair, blue hairband, blue halo, blush, breasts, clenched teeth, demon girl, demon horns, demon wings, double strap slip, from behind, hair between eyes, hairband, halo, horns, large breasts, long hair, looking at viewer, looking back, low wings, multiple girls, multiple horns, parted bangs, purple bikini, purple eyes, purple halo, purple wings, simple background, sitting, small breasts, starfish, strap pull, strap slip, swimsuit, tearing up, teeth, untied bikini top, white background, white bikini, white hair, wings