Rule 34 Dev - 1boy anthro balls biped bodily_fluids bondage bound countershade_fur countershade_torso countershading erection fur gay genital_fluids genitals glans grey_body grey_fur hi_res humanoid_genitalia humanoid_penis machine male male_only penile penis precum protogen sex_toy solo tail vein veiny_penis vibrator vibrator_on_penis yuguni|11905553496