Yuuka-chan has been with Lucifer from the very start. She takes on the role of their manager and plays a crucial part in securing gigs for them. Yuuka handles their publicity, books performances at clubs, and mediates conflicts among band members when they arise. It's evident that she understands Sakuya better than the other members of Λucifer. The manga reveals that Atsuro and Yuuka share a long-standing relationship; Yuuka is actually his stepsister. Atsuro makes desperate efforts to keep their relationship hidden from their parents, the media, and even his bandmates. By the end of the series, it turns out that all band members except Sakuya had known about their relationship all along. Towards the conclusion, Atsuro and Yuuka decide to be open about their relationship publicly. Yuuka is an unwavering supporter of Lucifer and accompanies them on their tours. She remains cheerful and supportive, always concerned about Atsuro during his arguments with their parents. Eager to become a proficient manager for Lucifer, she leaves the band to study Business overseas.
kiryuu yuuka
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Ookouchi Sakuya
Main
He is the moodiest band member. He joins the group after he is discovered singing and playing the piano in a hotel lounge by Atsuro. The moment the band members hear his voice, they KNOW he is the only person who can be their vocalist. Sakuya is the drivi...
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Sakuma Kazuto
Main
Towa is the member of a popular visual rock band. All the members of the group are very handsome, and dress flashy. However, despite the group's success and popularity, Towa was feeling unsatisfied. The members of his group were good musicians, but they w...
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Yukimura Aine
Main
In the anime, Aine-chan doesn't show up until halfway through the series! ucifer has gone through a lot to become a popular band when Sakuya finally meets Aine after almost running her over with his motorcycle. Aine's personality is still shy, but...
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Grazer Ralph
Supporting
Ralph arrives in the anime halfway through the series. He is the president of Metro Records, and he has become interested in the Japanese music industry. He is also very interested in Lucifer- Sakuya in particular. Lucifer works under the Jupiter Records ...
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Kiryuu Yuuka
Supporting
Yuuka-chan is there with Lucifer right from the beginning. She becomes their manager, and is instrumental in getting them gigs. She runs their publicity, books them gigs in clubs, and acts as a peacemaker between band members when they argue. She seems to...
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Kiryuu Atsuro
Supporting
Atsuro is the youngest member of ucifer. When the band first forms, he is still in high school, and is facing pressure from his parents to study for his college entrance exams. His parents do NOT agree with his decision to join a rock band, and fo...
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Nagai Yoshihiko
Supporting
Santa is a fun guy! He is what I like to call the 'baka boy' of ucifer. He has a short fuse, and can get riled up and enthusiastic about things. Not really in a violent way, but in an emotional or over-excited way. Santa and Yuki are the ones who ...
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Ookouchi Shion
Supporting
Sakuya and Aine's son. He appears in the last chapter of Kaikan Phrase and in a special side story of Love Celeb, one of Mayu Shinjou's other works. Shion lives in New York City with his parents, and is a bright child who enjoys reading books. As stated i...
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Toudou Yukifumi
Supporting
Yuki is one of the founders of ucifer, and is the one who decided on the bands name. He knows good musical talent when he hears it, and was a major part of recruiting members into the band. He is usually calm and collected, but he cares a great de...