Rule 34 Dev - 1990s_(style) 1girl blue_hair blush breasts broken_wall expressionless female_focus flat_chest highres hole_in_wall idolmaster idolmaster_(classic) key_the_metal_idol kisaragi_chihaya kousaku long_hair looking_at_viewer nude parody purple_eyes retro_artstyle simple_background solo through_wall wall_crash white_background|5024689137