2girls, >_<, ahoge, bikini, blue-tinted_eyewear, blue_archive, blue_one-piece_swimsuit, chibi, demon_horns, eyewear_on_head, halo, heat_haze, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), long_hair, multiple_girls, multiple_horns, name_tag, navel, official_alternate_costume, one-piece_swimsuit, open_mouth, parted_bangs, pink_hair, school_swimsuit, stomach, sunglasses, swimsuit, tinted_eyewear, umihio, upper_body, white-framed_eyewear, white_bikini, white_hair, wiggling