Rule 34 Dev - animal_genitalia animal_penis anthro athletic athletic_anthro athletic_male balls bed big_balls big_penis bodily_fluids canine_genitalia canine_penis cum cumshot curtains_open ears_back ejaculation erection furniture genital_fluids genitals grimace holding_penis huge_penis knot male masturbation motion_blur muscular muscular_male nude on_bed orgasm pecs penile penile_masturbation penis pillow pivoted_ears sitting sitting_on_bed sliding_door solo thick_penis thick_thighs vein veiny_knot kristakeshi dimitrij_jansons canid canine canis domestic_dog german_shepherd herding_dog mammal pastoral_dog 6:5 absurd_res hi_res|10438749125