FURVERT!

2_penises animal_genitalia anthro balls big_penis colesutra detached_sheath diphallism erection felid foreskin genitals huge_penis humanoid_genitalia humanoid_penis hybrid_genitalia hybrid_penis hyper hyper_genitalia hyper_penis male mammal masturbation monochrome multi_genitalia multi_penis multi_sheath nude penile penile_masturbation penis retracted_foreskin sheath sheathed_humanoid_penis simple_background solo uncut_with_sheath vertical_diphallism