FURVERT!

anthro arm_hair asgore_dreemurr barefoot black_background blonde_hair body_hair boss_monster_(undertale)bovid briefs briefs_only bulge caprine claws clothed clothing colored_seam_underwear detailed_background feet fur hair heart_symbol horn male mammal musclegut muscular navel pink_briefs pink_clothing pink_underwear simple_background solo thegreatmatsutzu topless undertale_(series)underwear underwear_only white_body white_fur white_seam_briefs white_seam_underwear