One.

(Based on both the 1990 'Phantom of the Opera' mini series and 2004 'Phantom of the Opera' movie, along with some other media).

Known by the nobility of England as 'Teddy', the young opera singer Y/N is invited by the manager of the Opera Populaire in Paris to audition for a lead role and fulfill her life's dream of being Prima Donna.

One night, in the darkness of the opera house, she meets a man who will captivate her heart and change her life.