Rule 34 Dev - 2024 2boys abs ai_generated animal_humanoid anthro anthro_on_human avaru biceps black_nipples black_nose brown_hair canid canine canis duo fur furry gay grey_body grey_fur hair hug human humanoid male male_only mammal muscular muscular_male nipples pecs romantic romantic_couple scarf size_difference smaller_male tuft tufted_fur veiny_biceps white_fur winter wolf|13502799160