One of the main characters of the Idolmaster series.
A bright and cheerful 13-year-old from a poor family. As the eldest of five siblings, she became an idol for a living, even going so far as to perform other jobs besides her career. Even as she looks after her younger siblings, Yayoi herself yearns for an "older brother" figure to look after her.
Yayoi's theme color is orange, and she is voiced by Nigo Mayako.
Type: Dance (Million Live) / Cute (Cinderella Girls)
Grade: 1st year middle school → 2nd year middle school
Birthday: March 25 (hayaumare)
BMI 17.6→17.6 (underweight)
BWH: B72/W54/H77(無印)→B74/W54/H78(2)→B75/W54/H78(SHINY FESTA内の名刺)
Cup size: A→B
Blood type: O
Hobbies: Othello, baseball
Special skill: Thriftiness, kitchen gardening
Image color: Orange / Mandarin orange (Million Live!)
First-person pronoun: atashi 私
CV: Nigo Mayako (仁後真耶子)