Rule 34 Dev - alien ambiguous_gender animal_genitalia arachnid arthropod beast_wars bondage bound cheetah cheetor claws cum cybertronian diphallia diphallism duo erection feline forced fur hi_res humanoid living_machine machine male mammal maximal multi_arm multi_limb multi_penis open_mouth oral penis predacon prowlantulas rape robot simple_background spider spiderweb spots spotted_fur tarantulas tarantulas_transmetal teeth tongue transformers transmetal transmetal_tarantulas transmetals xenospike yaoi yellow_eyes|3024005048