Sai Was Here...
After much convincing, Hikaru agrees to play Isumi. However, he will play him for Isumi’s sake, not his own. He will not enjoy the game or get into it. He can’t betray Sai. But when the game of Go becomes intense, is there anything that Hikaru can do? Hikaru ties hard not to betray Sai. He promised him that he would never play again. But can it be helped? Will Sai ever return to him?
Aired 19/02/2003EP 70 - Sai Was Here...

Hikaru no Go
With a two-tone hairstyle and a streak of immaturity, Hikaru Shindou finds an old Go board with a hidden surprise - trapped within the Go Board is Fujiwara-no-Sai, the ghost of an ancient Go master! In the blink of an eye, Sai becomes part of Hikaru's consciousness and soon begins to learn the true essence behind this ancient game of skill and strategy.
(Source: VIZ Media)