FURVERT!

abs anthro balls biceps biped bodily_fluids canid canine canis cum cumshot custapple doggo_(undertale)domestic_dog ejaculation erection foreskin fur genital_fluids genitals humanoid_genitalia humanoid_penis male mammal masturbation monochrome muscular muscular_anthro muscular_male nude one_eye_closed orgasm paws pecs penile penile_masturbation penis retracted_foreskin simple_background sitting solo tongue tongue_out undertale undertale_(series)white_background