Rule 34 Dev - 00s 1girl animal_ears bent_over blush buruma cat_ears cat_tail green_hair gym_uniform hairband headset idolmaster idolmaster_(classic) idolmaster_1 looking_back mole mole_under_mouth non-web_source one-piece_swimsuit otonashi_kotori red_eyes rona school_swimsuit school_uniform serafuku short_hair skirt smile swimsuit tail vest|781271127