the mystic nine is about original nine families and how whatever happened before led to what wu xie and zhang qiling had to deal with now.

they have the same actors in both bl dramas, Jumpol Adulkittiporn aka off and Atthaphan Phunsawat aka gun. They are also both the couples in the bl's. and basically they are both bl dramas

Xiao Zhan is in both


they are both ancient dramas


they are both somewhat mystery like

They are both Chinese dramas

Xiao Zhan and Wang Yibo but in different dramas.


Both ancient dramas


Both Chinese dramas


The ML for both worked together before


Both ML look good


Both FL look good

Both really good Mysteries

Both really good Chinese drama

Both have a good looking ML and FL

Both has good plot

Both has a genius ML

They both have some kind of Bromance

They both are mysteries

They both are Chinese Drama

They both have smart ML's

Both Chinese drama's

Both mystery drama's

Both have good-looking ML's and FL's

Both have smart ML's

Both ML's solve murdering cases