Hikaru no Go, Vol. 15 (Hikaru No Go (Graphic Novels))

SayonaraHikaru ignores Sai’s pleas to let him play go, and then one day Sai vanishes! Is he mad at Hikaru? Where has he gone? Will he ever come back? And will Hikaru be able to play without Sai’s coaching…? さいが消えてしまいます。