Hoàng Lê nhất thống chí

The Hoàng Lê nhất thống chí (皇黎一統志, Unification Records of the Imperial Le), written by the Ngô gia văn phái (吳家文派) of Hanoi during, is a Vietnamese historical novel which consists of 17 chapter based upon the events in the turbulent late 18th century in Vietnam, starting with the Tây Sơn defeated the Trịnh Lords and ending with the Nguyễn Ánh's unification of Vietnam.

In When the Cold Breeze Blows Away,It will be responsibility and protected for historial of Tay Son by Tay Son Emperor and Tay Son Nation in their responsibility and their protection.

Also,it will be main reason why Su Ji-Hoon,Preschool Girls,United States and South Vietnam (lead by Lucy Loud) being accused of war crimes and against Vietnamese peasants by Tay Son Emperor have this hostorical novel in during Second Vietnam War and before Ducanger Revolution.