Shizuka, who came to Tokyo from a mountain village with the dream of becoming an enka singer, became an apprentice to the hope of the enka world, Rina Fukada.Every day she was doing nothing but chores, but one day when she was enjoying the happiness of being by her longing Rina's side...The true nature of Rina, who is famous as a hardcore lesbian in the industry, finally comes to light. "What is Enka? What is Kobushi?"