rule 34 2020 4 toes 5 fingers absurd res animal genitalia animal penis anthro big penis bodily fluids boxers clothing canid canine canine penis canis clothed clothing colored crouching domestic eonshinato fingers genital fluids genitals half closed eyes hi res knot male male only mammal muscular muscular anthro muscular male musk narrowed eyes partially clothed penis precum precum drip precum string shaded shirt simple background solo sweat sweaty genitalia tank top toes topwear underwear 4301242