Also known under the title Wushuang, this danmei/Boys' Love novel series originally released in Chineseâ€"and coming to the English language for the first timeâ€"is set in the universe of the author's other popular novel and animated series Thousand Autumns: Qian Qiu!In this historical wuxia tale, two rival investigators try to get to the bottom of a mystery...and their own complicated feelings.