Rule 34 Dev - 10s 1girl aiura black_eyes black_hair blush breasts collarbone competition_school_swimsuit covered_navel female_focus hair_ornament hairclip hand_on_own_hip ki_(kk-sk-ray) one-piece_swimsuit open_mouth school_swimsuit simple_background small_breasts solo standing swimsuit white_background yanase_mei|4975047324