FURVERT!

2004 anal anal_penetration anthro balls bodily_fluids borni canid canine canis cum cum_while_penetrated domestic_dog duo erection eye_contact eyewear facial_hair forest genital_fluids genitals glasses hair long_hair looking_at_another male male/male mammal mature_male monochrome mountain muscular muscular_male mustache penetration penis plant pubes sex simple_background size_difference tree white_background