1girl, ahoge, bare_back, blue_archive, breasts, collarbone, demon_girl, demon_horns, from_side, gyosei, hair_ornament, hairclip, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, long_hair, looking_at_viewer, looking_to_the_side, official_alternate_costume, old_school_swimsuit, one_side_up, purple_eyes, school_swimsuit, sidelocks, simple_background, small_breasts, solo, sweatdrop, swimsuit, white_hair