Sachiko Yonezawa

She is a newbie yet well-known idol who inspired Hikari to take the same path as her. Despite acting cold towards Hikari, Sachiko later opens up and came to respect Hikari as an idol. Sachiko is a hardworking, composed and diligent individual, who initially acted cold towards Hikari. Though she often carries a level-headed demeanor, she is very passionate about dancing and singing, and cares and puts a lot of effort as an idol. She can be quite honest and blunt, especially when it comes down to being an idol.