Rule 34 Dev - 1girl armpits arms_up babydoll blush breasts closed_mouth comiket_93 gluteal_fold greyscale hamao highres idolmaster idolmaster_cinderella_girls kobayakawa_sae long_hair looking_up monochrome navel nipples panties see-through_clothes simple_background small_breasts smile solo standing straight_hair underwear white_background|19172783682