Rule 34 Dev - 2018 3d 4_fingers aero albino anthro anthro_on_anthro areola belly biceps bovine cattle claws close-up crocodile crocodilian detailed detailed_background duo erection eupharrow fangs fellatio front_view half-closed_eyes hand_on_penis hesh hi_res horn humanoid_penis inside interior interspecies looking_at_partner lying male mammal manly musclegut muscular muscular_male navel nipples nude on_back oral pecs penis pink_nipples realistic relaxing reptile saliva scalie sex shadow snout teeth vein veiny_penis watermark white_horn yaoi|3213449816