Rule 34 Dev - 2boys alternate_costume anal anal_sex blue_background blush erection gay gintama gintoki_sakata goatee hair_grab hair_over_eyes hand_on_another's_head hattori_zenzou head_grab japanese_text light_brown_hair looking_at_another looking_pleasured male male_only necktie off_shoulder open_mouth open_shirt pants_down penis popped_collar sitting_on_lap sitting_on_person teacher teachers uncensored white_hair yaoi|7706823864