FURVERT!

2017 5_fingers anthro anus backsack balls bench biceps blue_and_white bodily_fluids bottomless butt canid canine canis claws clothed clothing crouching digital_drawing_(artwork)digital_media_(artwork)domestic_dog feet fingers floppy_ears foreskin fur genitals glans half-erect hi_res humanoid_feet humanoid_genitalia humanoid_hands humanoid_penis inside line_art locker locker_room long_foreskin looking_down male mammal markings mastiff molosser monochrome muscular muscular_anthro muscular_male penis perineum plantigrade pose presenting presenting_hindquarters redrusker rottweiler short_tail sketch slightly_chubby smile solo sport sweat tail unfinished unretracted_foreskin