Aikatsu! Go! Go! Go!

One day, top designer Tsubasa Sena is suddenly visited by a rich girl Tsubaki, who expects him to design an exclusive dress for her at any price. However, Tsubasa refuses her with the reason "premium dress are only for idols". To achieve her goal, Tsubaki decides to transfer to the top idol school, Starlight Academy to become a real top idol and impress Tsubasa...

Aikatsu! GO! GO! GO! is the last "arc" of Ciao's manga serialization of Aikatsu!. This arc features the manga original character Tsubaki Saionji.

(Source: Aikatsu! Wikia)