FURVERT!

after_sex anthro anus backsack balls bdsm biped blue_eyes bodily_fluids bondage bound canid canine clothing cum cum_drip cum_in_ass cum_inside dripping erection furgonomics gaping gaping_anus genital_fluids genitals hair hi_res humanoid_genitalia humanoid_penis jockstrap karabiner leaking_cum lying male mammal penis presenting solo tail tail_clothing underwear