The Phantom's Musketeer

According to legend, there's a phantom lurking below the palace causing mischief and plotting revenge against those who would defy him. As a maid in the palace, Corinne D'Artagnan thinks nothing of the old story. But when a masked man offers to train her, she may start to believe in ghosts.*Cover image drawn and used with permission by Spirit Ella. Phantom of the Opera AU.