1girl, ahoge, armpits, arms up, black one-piece swimsuit, blue archive, breasts, closed mouth, hair ornament, hairclip, hina (blue archive), hina (swimsuit) (blue archive), holding, horns, inflatable toy, long hair, low wings, multiple horns, name tag, nanja, official alternate costume, one-piece swimsuit, pink eyes, revision, school swimsuit, signature, simple background, small breasts, solo, swimsuit, thigh gap, wet, white background, white hair, wings