Pairing: Kyuhyun centric, wonkyu, hankyu, eunkyu (not sure what their couple name is), changkyu, kyumin/minkyu at various times.
Other pairings: Hanchul, hanmi, eunhae, minsu and more
Summary: Kyuhyun gets hit by a car and wakes up not in the the body of a 25 year old computer analyst in the 21st century like he expected but in the body of a 16 year old noble boy in the Qing dynasty. Confused and annoyed he then ends up entangled in the lives of the Princes he had learnt about in history class, as well as one of the messiest battles for the throne in China's history.
Previous chapters: Prologue Chapter 1 Chapter 2