Even though it is written in Tokugawa jikki (The True Tokugawa Records) that Kira loved to be bribed and was humiliated when Asano refused to give Kira a bribe, it must be said its credibility is not clear because the document has not much value as a historical material.
吉良は賄賂をむさぼるのが好きで浅野が賄賂を拒否したために辱められたという記述は徳川実紀にも記されているが、あまり史料価値が高いとは言えない書なので、やはり事実かどうかは不明というしかない。