A coming-of-age story set in Starseed Academy, a boys' idol training school. Yugure Yuzuki and Akahoshi Hikaru, who grew up in an orphanage, enter Starseed Academy with dreams of becoming idols. Surrounded by idol candidate students with rich personalities, the two first take the dormitory placement test. The story depicts their school life full of friendship, jealousy, hope, and tears.