Rule 34 Dev - 1girl 1girl 1girl bangs blue_ribbon blush breasts brown_eyes brown_hair eyebrows_visible_through_hair grey_background hair_ornament hair_ribbon high_resolution huge_breasts idolmaster long_hair looking_at_viewer m_mance nipples one_eye_closed open_mouth ponytail ribbon round_teeth simple_background swept_bangs the_idolm@ster:_shiny_colors tied_hair tsukioka_kogane upper_body very_high_resolution|796297