Rule 34 Dev - animal_genitalia animal_penis anthro birdbf cetacean cetacean_penis delphinoid duo funamusea gang_orca genitals grabbing_from_behind hi_res human idate male male/male mammal marine oceanic_dolphin orca penis prehensile_penis sakamata_kuugo spread_legs spreading tapering_penis toothed_whale wadanohara_and_the_great_blue_sea|4792836760