UMEWAKA quoted as the example the revenant (one who returns after death) of the protagonist (Shite) Sanemori SAITO appears in the dream of a Nohwaki and there is a scene which the revenant, while talking about how he died, washes his own severed head.
梅若はその例として、「実盛」のシテである斉藤実盛の亡霊がワキの夢の中に登場し、己の死に様を語りながら、己の生首を洗うという場面を挙げている。