4_toes anal anal_penetration anthro backsack balls black_body black_fur blush bodily_fluids brown_body brown_fur claws collar cum cum_in_ass cum_inside digitigrade dungeon duo feet from_front_position fur genital_fluids genitals humanoid_genitalia humanoid_penis inside legs_up lying male male/male manly mating_press multicolored_body multicolored_fur muscular muscular_male on_back open_mouth pawpads penetration penis rear_view sex teeth thick_penis toe_claws toes two_tone_body two_tone_fur white_body white_fur fox1400 canid canine canis domestic_dog mammal mastiff molosser rottweiler absurd_res hi_res watermark