FURVERT!

5_fingers 5_toes absurd_res ahegao anthro anus backsack balls baradetective biceps big_butt big_muscles black_nose brown_body brown_fur brown_pawpads bubble_butt butt canid canine canis claws clothed clothing clothing_pull domestic_dog duo erection facial_markings feet fingers floppy_ears fur genitals hand_on_butt head_markings hi_res huge_muscles humanoid_genitalia humanoid_penis hyper hyper_muscles long_penis looking_pleasured lying male mammal markings mostly_nude muscular muscular_anthro muscular_male on_back open_mouth pawpads pecs penis pink_penis presenting presenting_hindquarters quads simple_background skimpy solo_focus spread_legs spreading thong toes tongue tongue_out triceps underwear underwear_pull vein veiny_penis white_body white_eyes white_fur