Ep. 57: Hikaru visits Toya to discuss his retirement plans and Sai's mysterious disappearance.

Hikaru goes to the hospital to see Toya, hoping he will not quit professional Go. Toya explains that while he will retire, he intends to keep playing. Ogata overhears this and questions Hikaru about Sai’s true identity, a concern Akira also shares. Toya successfully keeps his secret from both of them. Meanwhile, Hikaru does not realize that Sai is about to vanish after fulfilling his mission to guide him toward the divine move. The spirit’s purpose is complete, and his existence is ending, leaving Hikaru unaware of the impending loss of his mysterious companion and mentor.

▶ Watch on Crunchyroll