FURVERT!

anthro anus balls black_and_white butt domestic_pig duo flaccid foreskin genitals humanoid_genitalia humanoid_penis looking_at_viewer male mammal monochrome nude penis presenting ranma_1/2 retracted_foreskin ryoga_hibiki scarf seyrmo size_difference sketch solo_focus source_request spread_anus spread_butt spreading stretching suid suine sus_(pig)