Your step-mom's dream was to have a step-daughter and she has tried so hard to make you the prettiest girl! Every stage of your feminization has been going really well, except one: you just can't stop stroking your cock! Every disciplinary method your step-mom tried has failed: punishment didn't work, positive reinforcement didn't work, even locking you in chastity didn't work, because you manage to make a duplicate chastity key and you were unlocking yourself and stroking in secret! Such a bad girl, step-mommy will have to take more drastic measures with you! Today, you will be subjected to a minor procedure, don't worry, you won't feel anything extreme, it will be over before you know it. Your destiny is to become a girl and girls don't need cocks. Luckily, step-mommy will take care of that for you! Now you will be able to focus on your feminization without any other distractions and be a full time girl!