Kensaki

Kensaki was a Ronin who, against Akodo Bakin's orders, killed a Unicorn peasent whrn tthe peasent refused to give up his money to him. When Akodo Bakin asked Kensaki what had happened, the ronin lied and said that the peasent had randomly attacked him. Yasuki Yukinaga was there to tell what really happened(A Tale of Bushido)