FURVERT!

animal_genitalia anthro balls bdsm bondage bound canid canine canis erection fur genitals glans grey_body grey_fur hands_behind_back humanoid_genitalia humanoid_penis in_heat male male_anthro mammal muscular muscular_male nude penis restraints rope rope_bondage rope_harness seraphictiger sheath smile solo tongue tongue_out warning_sign wolf