1girl ass bad_id bad_pixiv_id bangs bare_shoulders black_gloves black_thighhighs blush dd_(ijigendd) doll_joints elbow_gloves frame_arms_girl full_body gloves highres joints looking_at_viewer lying materia_(frame_arms_girl) materia_kuro mecha_musume on_back open_mouth panties shiny_clothes shiny_skin short_hair simple_background smile solo thighhighs underwear white_background white_panties