Rule 34 Dev - 1990s 1999 20th_century 2d a_new_hope background bed bedroom black_and_white brother brother_and_sister closed_eyes clothed clothed_sex comic english_text fellatio full_body ghost greyscale hair_bun humor incest indoors lucasfilm luke_skywalker monochrome obi-wan_kenobi on_bed oral princess_leia_organa sexy_losers siblings side_view sister space spacecraft star_wars text thought_bubble window|278627168