1girl, bare_arms, bare_shoulders, black_one-piece_swimsuit, blue_archive, breasts, collarbone, demon_wings, hair_ornament, hairclip, halo, hand_up, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, indoors, leaning_forward, long_hair, low_wings, one-piece_swimsuit, one_side_up, parted_bangs, purple_eyes, purple_wings, school_swimsuit, small_breasts, solo, swimsuit, usagimiko, very_long_hair, whistle, whistle_around_neck, white_hair, wings