FURVERT!

2_tails anthro balls balls_expansion big_balls big_penis canid canine canis clothing cum_exchange demon duo expansion foreskin fox fur genital_expansion genitals hat headgear headwear hi_res huge_balls huge_penis hyper hyper_balls hyper_genitalia hyper_penis inflation knot knotted_penis looking_at_another looking_pleasured male male/male mammal multi_tail penetration penile penile_penetration penis penis_expansion penis_in_penis red_body red_fur rook_burkhart rook_burkhart_(artist)sitting_on_balls tail urethral urethral_penetration wolf yellow_body yellow_fur zaneclodon