Rule 34 Dev - 3boys anal anal_sex blush from_behind gay gintama gintoki_sakata hair_pull holding_hands katsura_kotarou kimono llemonyyyy long_hair long_hair_male looking_pleasured mmm_threesome monochrome no_visible_genitalia pants_down rough_sketch sketch spanking takasugi_shinsuke threesome yaoi|13822598128