Yu Takasaki is the main protagonist of 'Love Live! Nijigasaki Gakuen School Idol Doukoukai.' As a second-year student at Nijigasaki High School, she becomes deeply inspired by the school idol club after watching their performances. Unlike her friends, Yu is not a performer but instead supports the club from behind the scenes, playing a crucial role as the club's manager. Her enthusiasm and dedication help the idols organize events and overcome challenges, making her an indispensable part of the team. Yu's passion for music and her unwavering support for her friends drive the story forward.