FURVERT!

ambiguous_fluids anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro anus avian avioylin backsack balls beak berdly big_balls big_penis bird blue_balls blue_body blue_feathers blue_penis blush bodily_fluids bovid building butt caprine deltarune dialogue dirty_talk duo english_text erection evil_grin eyebrows eyewear feathers finger_in_mouth fingers from_behind_position fur genitals glasses goat grin half-closed_eyes hand_on_butt heart_symbol horn house long_ears looking_at_another looking_back looking_pleasured lying male male/male male_penetrated male_penetrating male_penetrating_male mammal narrowed_eyes nude on_side open_beak open_mouth penetration penile penile_penetration penis penis_in_ass perineum pink_horn ralsei saliva sex smile smug speech_bubble spoon_position spooning tail tail_feathers teasing text tongue tongue_out undertale_(series)white_balls white_body white_fur white_perineum yellow_beak