Rule 34 Dev - 2023 anthro anus asgore_dreemurr ass balls big_balls big_butt black_hair body_writing boots bovid brown_body brown_fur caprine chimney christmas christmas_clothing clothed clothing costume dark_hair deer deltarune dialogue duo eyebrows footwear fur gay genitals goat green_eyes green_sclera hair hi_res holidays horn male male/male male_only mammal new_world_deer outside pink_anus platinumlust presenting presenting_hindquarters property questionable_consent red_clothing red_nose reindeer rooftop rudolph_holiday santa_costume signature simple_background size_difference snow stuck surprise surprised_expression tail text thick_thighs undertale undertale_(series) url white_body white_fur writing_on_butt yellow_body yellow_fur|10642474952