FURVERT!

1:1 5_fingers anthro anus ball_size_difference balls big_penis biped brown_body brown_fur comic desfrog duo elemental_creature erection eyebrows fingers fur genitals glans haplorhine hi_res humanoid_genitalia humanoid_penis imminent_anal imminent_sex journey_to_the_west male male/male mammal mineral_fauna monkey penis penis_size_difference perineum primate rock rock_creature sun_wukong tail vein veiny_penis