Koan was a kenku who once wished to teach a lesson to Shosuro Hanzo, a young servant of Bayushi Toshu, and secretely a thief of great talent. Hanzo was so proud of his skill that eventually decided to steal on his lord's chambers. During his attempt he was surprised when Koan, disguised as a monk, aided him to climb the walls of Toshu's estate. Koan told he had entered the courtyard through the well, which was connected to a cave. Watchdogs noticed the assailants, and Koan lured Hanzo to escape throught the well. Once Hanzo was inside he realized there was no cave, and the well's bucket was quickly ascending. Koan revealed himself as a Kenku and flew away. Hanzo spent the night in the depths of the well, and the next day he managed to leave it. Heeding the Kenku's harsh lesson, he never st