While gasping through clenched teeth, I stood shivering under the ice-cold shower. My aching erection throbbed in my grip as a grimace twisted across my face. The stainless steel ring snugly encircling my genitals made the bulging veins squirm under my skin like angry serpents. After three gruelling months in chastity, my cock didn’t feel like my own anymore. Although aware of every pulse and throb, the firm flesh in my h...