Rule 34 Dev - 00s 1970s_(style) 1boy :o arm_up azuma_tetsuya baby blue_eyes bodysuit boy_on_top casshern casshern_(series) casshern_sins dog friender full_body gloves headgear hpa_(foolish_factory) lying machinery oldschool on_back open_mouth retro_artstyle robot_hunter_casshern simple_background white_background white_gloves|798623865