Rule 34 Dev - 10s 1girl black_socks blush bottle brown_hair cherry_blossoms female_focus hugging_own_legs idolmaster idolmaster_cinderella_girls kero_(tomoki-tiger) kneehighs long_hair looking_at_viewer mizumoto_yukari open_mouth pleated_skirt red_eyes school_uniform sitting skirt socks solo stairs thighs water_bottle|4130116146