Citrus Eyes

After jumping into the sea during a cruise, Fukamachi Wataru, the famous musician, lands on an Hoshi Island, a place inhabited by folklore people. There he meets Himukai Antsu, a girl gifted in the arts of singing and dancing. With her, he is able to find his calling again, and once more create music. What he wants is to take her to Tokyo so that she can share her gift with the world.

(Source: MangaTraders)