FURVERT!

alternate_version_at_source anthro balls black_and_white buckteeth erection foreskin genitals humanoid_genitalia humanoid_penis leaning leaning_backward male mammal monochrome murid murine nipples nude partially_retracted_foreskin pecs penis pinup portrait pose pteryon rat rodent simple_background sketch slim smile solo standing teeth three-quarter_portrait vein veiny_penis