You have a new friend. She started copying you: your style and laugh. You asked her to stop, but she denied it. You let it go and moved on.

One night, she slept over at your house. Next morning, she's gone. You call her but she doesn't answer. Suddenly, you get a text from a random number

"I've been watching you for years and i broke into your house to kidnap you. But I got the wrong girl. Long story short I killed her. And I'm coming for you. You are the one i want. Not a copycat."