FURVERT!

abs anthro bdsm beirey black_latex bodily_fluids bound canid canine canis chained_cuffs chair colored container cuff_(restraint)cum cum_collecting cum_in_container domestic_dog ejaculation erection foreskin furniture gag gagged genital_fluids genitals goo_transformation hands_above_head hands_tied hi_res humanoid_genitalia humanoid_penis latex machine male mammal milk_can milk_container milking_machine muscular muscular_sub on_chair pecs penile penis penis_milking penis_milking_machine restraints retracted_foreskin shackles signature sitting sitting_on_chair sketch solo stuff_gag submissive tongue tongue_out transformation