FURVERT!

anthro anus balls bear blush bodily_fluids bottomless chalkboard class clothed clothing desk disembodied_hand erection foreskin furniture genitals hands_behind_head holding_pointer humanoid_genitalia humanoid_penis inui_j_isohata lying male mammal mouth_closed muscular nervous on_back on_desk penis pointer presenting presenting_anus public public_exposure small_penis solo spread_anus spread_legs spreading steam sweat table unretracted_foreskin