1girl, alternate_breast_size, arcaeder_17, blue_archive, blue_one-piece_swimsuit, blush, breasts, collarbone, curled_horns, grey_hair, hand_on_own_chest, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, medium_breasts, multiple_horns, name_tag, official_alternate_costume, one-piece_swimsuit, one_side_up, parted_bangs, purple_eyes, school_swimsuit, simple_background, solo, sweatdrop, swimsuit, twitter_username, upper_body, white_background