She started getting worried when her boyfriend left her alone in the woods. What she didn't know it was part of the deal to introduce her to her new master
Ever since your "little" sister grew a huge cock, you've been a little nervous about leaving her alone with your girlfriend... but it's probably no big deal, right?
She was just going over to pick up a few things. Her ex had been trying to get her alone for weeks. After a small talk about "closure" she gave up and let him do what he's always done. Just one last time, he promised.