Aikatsu Friends!

Aine Yuuki is a Star Harmony Academy student at the normal division, but her life changes when she meets Mio Minato from the idol division. Mio invites Aine to join Aikatsu, which aligns with Aine's goal of making friends. Aine forms close bonds with fellow idols Maika Chōno and Ema Hinata, and eventually teams up with Mio as the "Diamond Friends." This partnership earns them a spot in the esteemed Diamond Class, alongside Karen Kamishiro and Mirai Asuku.