Rule 34 Dev - 10s 1boy 1girl bad_id bad_pixiv_id blush brown_hair cardigan formal green_eyes heirou highres idolmaster idolmaster_cinderella_girls long_hair necktie open_mouth producer_(idolmaster) producer_(idolmaster_cinderella_girls_anime) school_uniform shibuya_rin short_hair simple_background|6017558742