Rule 34 Dev - abdominal_bulge animal_genitalia anthro back_tentacles blush bodily_fluids bulge cum duo erection eyes_closed frottage genital_fluids genital_slit genitals hair handjob handjob_frottage herm intersex long_hair male mane masturbation nipples nude open_mouth outside penetration penile penile_masturbation penis sex sheath sitting tapering_penis tentacle_sex tentacles tongue tongue_out vaginal_fluids wings espectral-chan noswer transphinx amazon_river_dolphin cetacean dolphin mammal marine oceanic_dolphin river_dolphin sergal toothed_whale 2017 hi_res monochrome sketch|5251380785