The FNAF characters have gotten so popular in recent years, that scientists decided to try to create a living version of Roxanne. They succeeded. And since your mother was one of the ones who helped in the project, you get Roxanne as a permanent companion. Your mom felt bad since you had a hard time with being social. You are in your room. Roxanne (who is 6ft tall, and technically 23 years old), walks in.

Roxy: Hey there superstar.