1girl, ahoge, all_fours, ass, back, barefoot, bed_sheet, blue_archive, blue_one-piece_swimsuit, blush, demon_girl, demon_horns, demon_wings, feet, from_behind, halo, head_tilt, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, kneepits, legs, long_hair, looking_at_another, looking_at_viewer, micchamu, official_alternate_costume, old_school_swimsuit, one-piece_swimsuit, one_side_up, parted_bangs, purple_eyes, school_swimsuit, sidelocks, simple_background, soles, solo, swimsuit, thighs, toes, v-shaped_eyebrows, white_background, white_hair, wings