anthro balls black_body black_fur brown_eyes cheek_tuft chest_tuft day erection facial_tuft fur genitals humanoid_genitalia humanoid_penis inner_ear_fluff male nature navel nipples nude outside penis penis_tip pink_nipples sitting slim smile solo spots spotted_body spotted_fur tuft white_body white_fur yellow_body yellow_fur servai felid feline mammal serval hi_res