FURVERT!

anal anal_masturbation anal_penetration anthro arched_back balls black_and_white bodily_fluids body_hair briefs clothed clothing clothing_aside crouching cum cumshot dildo dildo_sitting ejaculation erection eyes_closed genital_fluids genitals hairy happy happy_trail k-9 low_res male mammal masturbation monochrome muscular muscular_anthro muscular_male mustelid orgasm otter penetration penile penile_masturbation penis sex_toy solo tail topless toying_self underwear underwear_aside