She works on her art, making her real life the main part of her art. She does all the details and procedures of her artwork herself. And she portrays herself in her artwork.
The detective touches her on her heart after she asks him to. He moves closer to her, and she whispers in his ear, "You will get yourself in trouble if you go further."
She has even been told that she's just a child who thinks the whole world is her plaything. And the game is not over yet, because everyone has the chance and the time to do good. She gets a call from the gallery for her work.