Akane is a popular and beautiful male idol with the voice of an angel. He is scheduled to join the project group "Stellar Crowns". Stars including actors, idols and other are to join the project group, but Akane suddenly goes missing. One day, a mysterious letter arrives at Akane's management company office. According to the paper, Akane is alive and the person responsible for his disappearance is a member of Stellar Crowns.