Haruma Miura and Koharu Sugawara are in a relationship. They met on Mibu Island where Sugawara was hired as a janitor at the music school that Miura ran. They first became friends before developing an interest in each other. When Sugawara moved to Tokyo, she stayed behind to work on Mibu Island while Miura followed later. When they reunited, they decided to continue seeing each other even after Sugawara's family moved back to Hiroshima. Currently, Haruma Miura and Koharu Sugawara are still in love with each other and plan to get married someday when they have enough money. Sugawara's family owns a restaurant business while Miura runs a music school on Mibu Island. They both enjoy working on their hobbies and spend most of their time together with no other partners. Miura has been praised for his role in bringing happiness into Sugawara's life and helping her move on from the death of her father. Miura came out of retirement to run for mayor of Mibu Town but lost to his opponent by a narrow margin. After the election, he resumed his job as a teacher at the music school on Mibu Island.