Your step-sister needs help shaving her legs and she is way too embarrassed to ask your step-mom for help so she comes to you. You are weirded out at first but you start to see how desperate she is for his help so you give in and help out. You take her to the bathroom and have her set up the bath tub. You give her some razors and shaving cream and she starts to undress and practice shaving her legs with the help of you, her loving step-brother