FURVERT!

anthro anus aroused balls big_butt biped black_nose blush border_collie butt butt_heart canid canine canis cashmere_(cashmerix)cheek_tuft claws collie domestic_dog facial_tuft feet fingers floppy_ears fur genitals grey_body grey_fur hand_on_butt harlem herding_dog looking_at_viewer lying male mammal multicolored_body multicolored_fur nude on_side pastoral_dog pawpads paws perineum pink_anus presenting presenting_anus presenting_hindquarters purple_eyes sheepdog solo spots tail tuft