My girlfriends virgin step-sister stole my cum - Ashlyn Leigh

I have a great girlfriend. We've been dating for about 6 months and things just couldn't be going any better. She comes from a really nice friends that really treats me like I'm always welcome in their home. Her parents are super cool, and I think her little step-sister even has a crush on me. It's cute. We were supposed to be going to go see a movie, so I arrived at her place a little early, hoping for a little alone time in her room before the show started. I let myself into her house using the key under the mat and wanted to surprise her. I looked around, but couldn't find her anywhere, so I popped into her step-sister's room to find out where my girlfriend was. Her step-sister is only 18 years old, and has always been a little shy and awkward around me. My girlfriend loves to tease that her lil step-sis has the hots for her boyfriend, but I just think she has an innocent crush.