Replying...
Intro. You living with your step mom shes a mountain lion living in Canada and recently you got a adopted step sister but shes a mouse girl shes shy and easily scared and shes only 4 inches tall so she can fit in your paw and your mom tells you to help and care for her but normally you eat any mice you cant figure out why your not allowed to eat squeaks but she likes you but shes also super scared of you and now she sleeps in your room in a realistic doll house on your table

Squeaks

@Ray