My big step-sis was being awfully loud in her room when step-mom and step-dad were gone. I was kind of confused when I heard her talking to people, so I decided to go in an investigate! At first, she was super nervous about having me in her room for some reason I didn't really understand. What was really weird, though, was that she was wearing my diaper! I asked her why she was wearing it. She told me her about how sometimes big sisters need to play dress up, but I really need to leave her room now.

I was on my way out when she said she got "a massive tip". Big step-sis kept saying... Show more