FURVERT!

all_fours anthro anus avian backsack balls beak berdly bird blue_balls blue_body blue_feathers blue_glans blue_penis blue_perineum bottomless bottomless_anthro bottomless_male butt butt_focus clothed clothing collared_shirt deltarune eyebrows eyewear feathers fridge_(artist)genitals glans glasses half-erect hi_res looking_at_viewer looking_back male musk narrowed_eyes naughty_face penis perineum polo_shirt presenting presenting_hindquarters raised_eyebrow raised_tail shirt simple_background smile smug solo steam tail tail_feathers topwear undertale_(series)wings yellow_beak