Anal fisting Stories

One day I received an offer to participate in a fisting session. Fisting is extreme for me. I am not yet ready for this type of sex, and my hole is not trained enough. I have never been in a passive role and do not intend to be in the near future. However, I can be active in fisting, when I turn my hand into a large cock. I have always been fascinated by men, sometimes young, sometimes mature, who are able to take a large...