The Nightingale - Once Upon A Time Fanfiction

Is it possible, to fall in love with a fairytale character? A person, who does not exist, who is made with words?
Henry is grown up. One day when he finds his old fairytale book, he discoveres, that a new story is added. As he reads the new telling, he falls more and more in love with the character; the nightingale. He travels to Fairytale Land and finds out the thruth about the old fairytale. And he finds her.