High school student Gou Karube is a big fan of Noa Mukanae, a member of the VTuber idol group Hoshigaoka High School. Gou dedicates both time and money to support Noa, and his hard work has soon become famous among her fans. Noa, who had devoted all of her youth to supporting him, one day decided to hold a solo live show, which had been her dream. He was supposed to witness the moment when his dream came true and spend the best night of his life.