I am his toy

Pain is the path to the experience of maximum pleasure...
I go in search of the excitement that draws me to a dungeon controlled by a Master capable of ruining me forever... or of taking me where he needs to go. The risk he takes is born from my own depravity and past experiences.

So I hold myself against the wall of suffering... I am motionless, unable to escape his situation while I am chained to the wall, I know I increase his interest in taking me to that limit he seeks so much. My cock is inside the device, stretched to facilitate his manipulation with his trade tools. My ass is being penetrated by the fucking machine, provoking a predictable response. He doesn't plan the details of the torture sessions too much, since the situation can change at any moment.

For three quarters of the session, he lets me experience only the in-and-out movement of the machine in my ass, to respond better to the added torment. Then he intensifies the sensation of pain toward the end.