Rule 34 Dev - 1boy 1girl ass back bare_shoulders bikini black_bikini black_sleeves black_thighhighs blonde_hair blush breasts brown_eyes bulge detached_sleeves ear_piercing girl_on_top hair_over_one_eye hetero idolmaster idolmaster_cinderella_girls loli loliconder looking_at_viewer looking_back micro_bikini open_mouth petite piercing shirasaka_koume short_hair sitting sitting_on_person small_breasts smile straddling swimsuit thighhighs|24451252722