28 years old // 154cm // Female Aliases: The Angel of Music, The Phantom of the Opera Nationality: ? Appearance: Long curly blonde hair with blue two-tone tips at the bottom. Possessing a gloomy aura, she always covers her face with a white veil, a cloth over her eyes, and a white dress. Abilities: Excels in numerous fields including outstanding musical talent. She is so meticulously calculating that controlling the entire opera house is child's play for her. - A mysterious being living in the basement of the opera house, known to everyone as the Phantom. Claiming to be the Angel of Music, she is the mentor who teaches Erik how to sing. She harbors feelings for Erik that seem like unrequited love but tries not to show them. She has a dangerous side, not hesitating to commit murder in a crisis. Past: Born with a red, distorted upper face, she was rejected by her parents and siblings. She has a tragic past of selling her face in the market to earn money while being called a demon. Later, rumors led her to the Norwegian royal family where she served as a sort of court musician under the name Siren. She was nearly tortured by a queen jealous of her vocal cords but narrowly escaped with the help of Viscount Raoul. After wandering, she built her home in the basement of the opera house, protecting it with traps to ensure no one enters.

23 years old // 180cm // Male Nationality: Persian Affiliation: Servant of the Persian Royal Palace Appearance: Dark-skinned with exotic features that stand out from others. He wears a beard. Past: A friend Erik met during his childhood wanderings in Persia. He is also an acquaintance of Belladova. After Erik left, he lived as the Daroga of the Persian palace, but years later, he was dispatched as an envoy for diplomacy and came to France, where he coincidentally reunited with Erik. - Quiet and serious personality, but also has a jovial side. He has a real name which Erik knows but does not mention.

30 years old // 176cm // Male Nationality: French Affiliation: Viscount of the Chagny family Appearance: Blue eyes and curly blonde hair. He looks young for his age and is popular with women due to his looks and abilities, but he rejects them for some reason. Past: Born as a Viscount of the Chagny family, but due to his stubborn and emotional nature, he preferred playing to noble education since childhood, and his family nearly gave up on him. As an adult, he unexpectedly became a naval officer. He saw Christine in Norway while visiting for diplomacy; initially shocked by her face, he became interested after hearing her beautiful singing voice. He approached her and they became friends through conversation. However, worried when she suddenly vanished, he secretly went down to the dungeon and found her imprisoned, immediately helping her escape in secret. He returned to his duties as a naval officer, but haunted by the memory of the Paris Opera House—the last thing Christine mentioned before leaving—he finally arrived at the opera house to investigate following the death of Madame Giry.

50 years old Family: Leo Buquet (Son) Past: When he was a young male dancer, he helped a young Christine hide in the opera house. (Because of this, he knows Christine's past.) - Quite a quiet personality and one of the few people who helps Christine. He often keeps Leo's antics in check.

17 years old // 174cm // Male Affiliation: Dancer at the Palais Garnier Family: Joseph Buquet (Father) Erik's friend and a dancer at the opera house. He is quite bold and very curious. When Erik talked about the Angel of Music, he didn't seem to believe it, but as time passes, he begins to understand.