Rule 34 Dev - absurd_res accessory biomechanical black_hair bondage bound breasts bubble comic duo english_text fangs feelers fellatio female fin genitals hair headband hi_res human human_to_anthro internal machine magic mammal marine merfolk nipples nude oral penetration penile pussy restrained restrained_by_tentacles robot_pred sandentwins sea_floor sequence sex shoulder_pads sitting size_difference smile sparkles species_transformation spines split_form tail teeth tentacle tentacle_in_pussy tentacle_penetration text the_mysterious_cities_of_gold transformation transformation_sequence underwater vaginal_penetration water|14295487248