
S01E01 Hello Friends!
During the spring break preceding her second year in junior high school, a regular division student named Aine Yūki encounters the top idol, Mio Minato. With her great talent to make friends, Aine easily befriends...
Aine and Mio hold a concert for the reveal of their Diamond Dresses. As part of that concert, the members of Best Friends! want to thank their fans for their support. Mio gets a surprise when her father shows up to attend the concert, and a secret about the Diamond Dresses is revealed.
Aine Yūki is good at making friends, and is enrolled in Star Harmony Academy's general education track. She befriends Mio Minato, the school's top idol, and becomes an idol herself.