Rule 34 Dev - anal anal_sex anthro anti_dev armpit_hair avian beak bird chet_(anti_dev) closed_eyes comic cum ear_piercing erection facial_piercing father father_and_son gunnar gunnar's_dad humanoid_penis incest incestaroos invalid_tag kangaroo male mammal marsupial navel nipples nose_piercing page_18 parent penetration penis piercing son vein yaoi|3118543952