Rule 34 Dev - black_and_white closed_eyes closed_eyes closed_mouth collar cow_ears cow_girl cow_pasties cow_tail cowbell doodle gigantic_breasts guide_lines hair_on_breasts hands_on_breasts heart hearts_around_head huge_breasts long_hair matsu-sensei mattie_(matsu-sensei) motion_lines original original_character pasties smile tail_motion|12008346776