FURVERT!

2d_animation 5:4 animated animated_gif anthro anthro_on_anthro balls barazoku black_and_white blush butt butt_slap canid canine canis chest_tuft domestic_dog duo erection eye_contact facial_hair flaccid genitals hand_on_back hand_on_shoulder humanoid_genitalia humanoid_penis knest looking_at_another loop low_res male male/male mammal mature_anthro mature_male monochrome musclegut muscular muscular_anthro muscular_male mustache nervous nipples nude on_lap over_knee penis raised_tail short_playtime sitting slap slightly_chubby spanking spanking_focus tail tail_between_legs tail_grab tuft