albeit unnamed and is simply referred as "Manager." It is implied that he had feelings for Mana. Hoshimi Production's President. He used to work for a Van Production, a bigger entertainment company, but decided to quit as he desires to have his own company. He was the one who first scouted Mana, and later employed Kōhei as her manager at her request. Idols The ten girls associated with Hoshimi Production are later divided into two groups: and . Together, they are collectively referred to as Hoshimi Production. Kotono is Mana's younger sister who decided to become an idol to live her sister's dream. A stoic and serious person, she serves as leader of the group Moon Tempest. Kotono was initially against the idea of Mana becoming an idol, as the two had much less time together once Mana started her career. Kotono is a sophomore at Hoshimi Private High School. A bright girl who decided to take Hoshimi Production's audition because "Her heart guides me." Serving as leader of the group Sunny Peace, Sakura's singing voice is said to be similar to Mana's, even surprising Mana herself. It is revealed that Sakura had a heart condition, and that Mana had donated her heart to her. Sakura is a sophomore at Mitsugasaki Public High School. Later in the series, Sakura decides to sing with her own voice, which eventually leads Mana to pass on. A third year at Reiba Girls' Private High School who is good at dancing, even winning a place in a Japanese dance championship. Raised in a strict family, her parents do not want her to be a dancer. She is a member of Sunny Peace. A sophomore at Hoshimi Private High School and Kotono's classmate, who decided to become an idol because "Kotono seems to have fun talking about it." She is a member of Moon Tempest. The oldest of the group at 20 years old, Haruko already had a solo idol career even before Mana. She graduated from Hoshimi Private High School and is currently attending Seiyō Gakuen Private University. She is a member of Sunny Peace. She initially lied about her age to the other members of Hoshimi Production because she was conscious of being older than the others. Saki is a third year at Mitsugasaki Public High School and its student council president; at school, she is considered an honor student. She always admires