Sayuri Tachiki, editor-in-chief of a famous magazine in New York and Kaori's blood sister, travels to Japan and asks City Hunter to find her sister. However, Ryo sadly tells her that Kaori is dead. Sayuri explains that after her parents divorced her mother denied that that Sayuri had a sister, until just before she died. Sayuri asks Ryo for proof that Kaori was happy with her life, and he and Xiang Ying slowly reveal the type of person Kaori was after meeting some of the people who knew her.