Rule 34 Dev - animal_genitalia animal_penis anthro anthro_penetrating anthro_penetrating_humanoid breasts claws clothed clothing duo erection female female_penetrated fur fur_growth genitals growth hair human_to_anthro humanoid_on_anthro humanoid_penetrated interspecies long_hair male male/female male_penetrating male_penetrating_female nipples nude open_mouth pencil_sketch penetration penile penile_penetration penis penis_in_pussy piercing sex smile species_transformation tail tail_growth tapering_penis text transformation transformation_through_sex transformation_while_penetrated vaginal vaginal_penetration isteltheblue american_opossum human humanoid mammal marsupial|11377999850