FURVERT!

abs anthro balls banni_art biped black_body black_fur brown_eyes canid canine canis collar dobermann domestic_dog erection fur furniture genitals hi_res humanoid_genitalia humanoid_penis klaus_doberman_(character)male mammal muscular muscular_anthro muscular_male nipples nude obliques penis pinscher plantigrade reclining seductive serratus short_tail sitting smile sofa solo spread_legs spreading tail vein veiny_penis