A music producer who sees potential in Jou's singing, Yamauchi Naoko takes Jou under her wing and trains him to be a singer. Though Jou is grateful for the opportunity, he later starts to see a darker side of Ms Naoko, who abuses her position of power and authority, and has links to the Fukumoto Gang.
|Rainbow: Nisha Rokubou no Shichinin||Minor||
jp. Mami KOYAMA