FURVERT!

2023 abs animal_genitalia animal_penis anthro backsack balls bird_dog blush butt canid canine canine_genitalia canine_penis canis clothed clothing domestic_dog erection facial_hair genitals golden_retriever green_eyes hi_res hunting_dog knot male mammal model_sheet muscular muscular_male nipples pecs penis pink_nipples presenting presenting_hindquarters pubes retriever shizi_(yibian_sz)simple_background solo yibian_sz