FURVERT!

all_fours anthro anus backsack balls bodily_fluids bottomless briefs clothed clothing erection faceless_character faceless_male fellatio foreskin gangbang genital_fluids genitals group group_sex humanoid_genitalia humanoid_penis imminent_sex male male/male male_penetrated male_penetrating male_penetrating_male mammal oral partially_retracted_foreskin penetration penile penis precum presenting raised_tail retracted_foreskin rhinoceros sex tail tush_(artist)underwear vein