Tokugawa's vassals devise a plan to uncover the fallen seeds of Kenshin. "Do you know the ball eye?" The ball eye draws a pattern of eyes on a polished crystal and fits into the eyes of the Bodhisattva image, and it becomes an eye that can be mistaken for the real thing. It is said that Kenshin ordered the production of a ball eye for the memorial service of Myohime. If Kanetsugu's eyes have the same characteristics- Naomasa Ii laughs invincibly. (thetvdb.com)