Do something fun with her.
From Create Your Own Story
You decided to do something fun with your sister, Alaina. She younger than you and you know that she has not been touched yet. She is usually fine with keeping secrets with you and very nice to you as you are with her. You both would often play with each other throughout the days whenever you feel like it Your sister, a year younger than you, has a fair white skin and black long hair. Including her hairless twat through her undergarments. You find her sleeping in the bed still murmuring about something.