Unlike a series of books covering the events in a story such as "Aoi no Ue" or "Nonomiya," it's a Noh play featuring the background of how the Tale of Genji was created.
『葵上』、『野宮』など物語中の出来事に取材した一連の作品とは異なり、源氏物語成立の背景を描いた能である。