FURVERT!

abuse accessory animal_genitalia animal_penis anthro arms_tied balls bdsm bondage bound canid canine canis clothed clothing digital_drawing_(artwork)digital_media_(artwork)dominant duo equine_genitalia equine_penis formal formal_clothing formal_wear fur gag gagged genitals hair hands_behind_back larger_dom male male/male mammal necktie open_mouth penis ring_gag school_uniform simple_background size_difference slavor spread_legs spreading student suit teacher teacher_and_student tongue uniform vein veiny_penis wolf