Teikoku no Kangan

*"Kangan" Series #1 : [Koutei to Kangan](https://www.mangaupdates.com/series.html?id=122158)* Features Emperor Tai Lan and Hai Yan. *"Kangan" Series #2 : **Teikoku no Kangan*** Set before *Koutei no Kangan* and * Itsuwari no Kangan*. Features Emperor Tai Lan's second oldest brother, former emperor You Gen, and Jian "Bi Jian". *"Kangan" Series #3 : [Itsuwari no Kangan](https://www.mangaupdates.com/series.html?id=144786)* Set before *Koutei no Kangan*. Features Rei Rin's older uncle, the head eunuch, Yang Ning, and Hai Yan's "older brother", Ma Shi Liang.