<The poem written by Prince Otsu when his secret rendezvous with ISHIKAWA no Iratsume was exposed by divination performed by an onmyoji by the name of TSUMORI no Muraji Toru> "We slept together knowing full well that, if we boarded the big boat (an analogy of a conspicuous action meaning a secret rendezvous), we would be caught in 'ura' (is a double-meaning word, i.e., 'inlet' and 'divination') that is under surveillance by 'Tsumori' (is a double-meaning word, i.e., 'port authority' and 'TSUMORI,' the name of Onmyoji).
<大津皇子と石川郎女の密会の事実が、陰陽師の津守連通の占筮で露見した際に、大津皇子が詠んだ一首>『大船（密会という目立つ大胆な行動の例え）に乗れば港湾管理者の監視下（「津を守る人の監視」と陰陽師である「津守通」の掛け言葉）のウラ（港が接する「浦」と「占い」の掛け言葉）で見つかるだろうと重々承知の上で、私たち二人は寝たんだよ』