Phantom of the opera was a black novel by Camus, first published in 1944. The novel used Prim Kasim as the main character to tell the story of him being forced to become the Phantom. Prim Kasim was a young music teacher. His musical talent made him an official singer at the Paris opera house. However, he was expelled from the opera house because of his relationship with Lily, the daughter of the opera house manager. Prim Kasim felt despair and loss, but he still tried to maintain his dream of music. However, in an important opera performance at the opera house, Prim Kasim was accused of being gay and was forced to become the Phantom. Phantom's duty was to play the role on stage, but she could not perform on stage and could only meet the audience backstage. Prim Kasim felt endless loneliness and pain in the identity of the Phantom. He tried to get out of this predicament, but everything became more difficult. The novel explored the complexity of human nature and the nature of power from the perspective of Prim Kasim. In the identity of the Phantom, Prim Kasim tried to prove his innocence, but in the end, he could not escape the temptation of power. The novel ended with Prim Kasim being released at a concert to express the author's pursuit of freedom and equality.