FURVERT!

1:1 2d_animation animated animated_gif anthro autospanking bell bell_collar bent_over black_nose blue_eyes brown_body brown_fur butt butt_slap canid canine canis collar collar_only domestic_dog floppy_ears fluffy fluffy_tail fur giggle hair humanoid_hands low_res male mammal multicolored_body multicolored_fur nasuki_(character)nude portal portal_(series)short_hair short_playtime simple_background slap slim smile solo spanking surprised tail tail_motion tailwag tan_body tan_fur thumbnail valve valve_corporation yoka_neko