Rule 34 Dev - 1girl android apron black_hair blue_eyes boku_no_tsuma_wa_kanjou_ga_nai closed_mouth expressionless from_side long_hair looking_at_viewer mechanical_arms mina_(bokutsuma) painting_(medium) robot_girl simple_background solo traditional_media watercolor_(medium) white_apron white_background y_takeshinu_wan|23793031314