Rule 34 Dev - anthro balls blush bodily_fluids bovid bovine breasts camera canid canine canis cattle chris_walker_(outlast) clenched_teeth domestic_dog droll3 duo fan_character female fingers fluffy fur genitals hiding holding_object horn humanoid male mammal monochrome muscular muscular_male nipples open_mouth outlast penis rebecca_upshur simple_background sketch straight sweat teeth tongue vein veiny_penis white_background|4166389336