The Jingbirok: A Memoir of Imjin War ( Air Date 2015-02-14 ) Genre Action & Adventure, War & Politics category. Overview "Jingbirok, the name of a book written by real-life Joseon historian and scholar Ryu Seong Ryong (Kim Sang Joong),detailing the Imjin War (1592-1598). The drama will be a telling of historical events with the scholar as the central character, in the samevein as “Jung Do Junâ€(who influenced the founding of the Joseon dynasty). Ryu Seong Ryong was an official who served during King Seonjo’s reign in the late 16th century. He was a brilliant Confucian scholar who was put in charge of military operations during the Imjin War, and greatly influenced AdmiralLee Soon Shin.".