Sayu Tsukisaka 月坂紗由

Sayu is a first year middle school student who has won many tournaments and auditions since elementary school.

She originally wanted to attend the main school of Marehoshi but her parents are opposed to entertainment activities so she attends Takao Junior High School instead. Despite that, she plans to create an idol group at Takao.

Her passion for idols is very strong and she can be quite strict.