Kakihara Yuuko

Kiseki Raki is a second-year middle school student who transfers to Star Harmony Academy to become an idol. However, when she uses an Aikatsu Pass she received from her big sister (an Aikatsu engineer), something mysterious happens. Lots of doors appeared before her, and when she opens them, she meets Aikatsu idols she never knew before, such as Nijino Yume. Raki vows to…

Nijino Yume aims to become a top idol, and she enrolls in the Yotsusei 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. Source: ANN

Luna, a black witch who lives quietly in a poisonous mushroom house, deep in the Black Forest. She lives in the city making high-efficiency medicines, but she is rumored to die if she is touched, and she is avoided... The life of a witch who doesn't know the warmth of people is carefully and momentarily drawn. Source: M-U