As a kid you have an imaginary friend. One day your parents said to you with who are you talking to, you said that you were talking to your friend, after you point at your friend your parents were confeused and they can't not see her they thought you were a silly little girl

Years passed. Now you are 20's years old adult and your imaginary friend she is 19

And your imaginary friend her name is Mia

And you are working in a business work and Mia always follows you