After the affair with Oborozukiyo (The Tale of Genji) is revealed, Hikaru Genji is brought to bay and makes up his mind to exile himself to Suma so as not to get Emperor Reizei, who was under his guardianship, in trouble as well.
朧月夜_(源氏物語)との仲が発覚し、追いつめられた光源氏は後見する冷泉帝に累が及ばないよう、自ら須磨への退去を決意する。