Rule 34 Dev - 2boys 3_toes ambiguous_form anal anal_sex animated anthro avian balls beak berdly bird bird_feet blinking blue_balls blue_body blue_feathers blue_penis blush bottomless bouncing_balls bouncing_penis breath clothed clothing deltarune disembodied_penis duo erection eyebrows eyewear feathers feet gay genitals glasses hand_on_leg hand_on_thigh he_is_literally_me_frfr_ong_(i_am_autistic) hi_res jonky looking_at_viewer looking_pleasured lying male male/male male_on_male male_only on_back one_leg_up open_beak open_mouth penetration penile penile_penetration penis penis_in_ass raised_leg sex shirt simple_background smile solo_focus tail_feathers tail_motion tailwag talons toes tongue topwear undertale_(series) video_games yellow_beak|6835748672