FURVERT!

all_fours anal anal_penetration doggystyle duo eyes_closed feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral from_behind_position male male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome mouse murid murine mustelid musteline penetration penile penile_penetration penis_in_ass rodent selwyn sex tail true_musteline weasel weasely