Yume Nijino aims to become a top idol, and she enrolls in the Yotsuboshi Gakuen (Four Stars Academy). This academy has a special group called the S4, who are the top four active idols in the school. Yume and the other first-year students aim to become a part of the S4.
She is part of AIKATSU☆STARS! and is credited as Sena from AIKATSU☆STARS! while singing for Yume. Along with Miho Amane, both have formed a unit called Mi☆nA.
