FURVERT!

ambiguous_gender anon anthro anus avian balls beak berdly bird blue_balls blue_body blue_feathers blue_penis blue_perineum bodily_fluids butt butt_focus butt_sniffing degradation deltarune dialogue dirty_talk duo english_text eyewear feathers genitals glans glasses grey_body grey_skin half-closed_eyes half-erect hi_res human human_on_anthro insult interspecies legs_up lying male male/ambiguous male_focus male_on_human mammal musk narrowed_eyes nervous non-mammal_balls nose_to_anus nude on_back open_beak open_mouth open_smile penis perineum pink_anus profanity roccorox scent_play simple_background smile sniffing sound_effects sweat sweatdrop tail tail_feathers tan_background text tongue undertale_(series)wings yellow_beak