"Let's go, together! Head for the goal, Diamond Friends!!"
The new anime will have a theme of "Aikatsu with your friends!" and will center on a new protagonist named Aine Yuuki, who 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.
(Source: Anime News Network)