Rule 34 Dev - 1girl 2boys blurry blurry_background blush book bookshelf bra bra_lift bra_pull breasts breasts_out brown_eyes brown_hair chair closed_mouth clothes_pull collarbone commentary_request cowboy_shot desk flashing hair_ornament hair_scrunchie highres holding holding_pen idolmaster idolmaster_cinderella_girls indoors library long_hair looking_away looking_down looking_to_the_side multiple_boys nipples nitta_minami note notebook open_book open_clothes oppai_challenge paper pen ponytail scrunchie shelf sitting smile table underwear wakamatsu372 white_bra|7918315144