Rule 34 Dev - abs balls biceps big_penis chest_tuft duo erection fellatio foreskin fur genitals grin hairy handjob humanoid_genitalia humanoid_penis male male/male male_penetrated male_penetrating male_penetrating_male muscular oral oral_penetration partially_retracted_foreskin pecs penetration penile penis sex smile sound_effects text tuft cureboltium fullmetal_alchemist darius_(fullmetal_alchemist) heinkel_(fullmetal_alchemist) ape felid gorilla haplorhine human hybrid lion mammal pantherine primate 2013 5:6 absurd_res black_and_white digital_media_(artwork) hi_res monochrome|1800918420