Hikaru no Go, Vol. 14: sai vs. toya koyo

When Hikaru convinces go master Toya Meijin to play Sai online, the meijin raises the stakes: if he wins, "sai" must reveal his true identity; if he loses, he will quit the game forever! Then, Hikaru challenges himself by playing Kurata 6 dan. How do you win a game in which both players use the same color stones?!