Rule 34 Dev - 1girl 1girl 1girl areola armpits bangs big_breasts black_hair blush breasts closed_mouth eyebrows_visible_through_hair gradient gradient_background high_resolution homewrecker idolmaster long_hair looking_at_viewer nipples one_arm_up ponytail shirase_sakuya smile the_idolm@ster:_shiny_colors tied_hair upper_body yellow_eyes|736142