Asano Naganori
was a "kōke" (master of ceremonies). His court title was "Kōzuke no suke (上野介)". He is famous as the adversary of Asano Naganori in the events of the Forty-seven rōnin. Although his name (義央) has been long pronounced as "Yoshinaka" especially in dramas and novels, , written by an anonymous contemporary in 1703, recorded that his name was "Yoshihisa." Recent findings on "Kaō" marked on his own letter preserved in confirmed that his real name should be read as "Kira Yoshihisa."