Rule 34 Dev - alien alien/human alien_humanoid avatar balls blue_body blue_skin bodily_fluids cum dazswole duo genital_fluids genitals hi_res human humanoid humanoid_pointy_ears interspecies leaking_cum male male/male mammal muscular muscular_humanoid muscular_male na'vi penis size_difference tail vein veiny_muscles veiny_penis|8802568648