Our musical romance

Once upon a time there was a teenage girl at the age of 18, who was just painting the set for her schools musical while singing to her music on her phone. What she didn't realize is that she had a secret admirer, and that admirer was a Greek god. Now, this greek god was the god Apollo, god of music and archery and a bunch of other things. Now, because he was fawning over this girl, he was starting to become mortal. Because of this, Zeus happily granted his unsaid wish, to become mortal for this girl. He was banished to the mortal world and to her high school, and the one way to turn him back is to woo her love, what he doesn't know, and what Lea, the girl, does not know as well, is that this is not her first life, it was her second, her first, was as a demigod daughter of Eos, goddess of dawn, and she did not want her daughter to be with him. What will happen? Will he woo the girl and she become his immortal queen? Or will he be eternally punished as human and watch her fade away from him?