FURVERT!

abs anthro areola balls biped bodily_fluids butt canid canine canis cum cum_on_penis domestic_dog erection eyewear foreskin fur genital_fluids genitals glasses half-closed_eyes hi_res knot long_ears looking_at_viewer lying male mammal muscular muscular_anthro muscular_male narrowed_eyes navel nipples nude on_back partially_retracted_foreskin pecs penis precum servo smile solo spread_legs spreading tridark