Oh my...the character designs/styling cracked me up so hard.
From He Jian Sheng's (TR's Arts Director) weibo:开始筹备【大漠谣】了 / Getting ready for DMY...
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1. Jin Yu when she was raised by the wolves in XiongNu territory.
2. Huo Qu Bing, General of Han (Wei Qing's nephew, gentle, yet also over bearing)
3. Jin Yu in the Han Dynasty (came to Chang'an because of a political change amongst the XiongNu)
4. Jiu Ye aka Meng Xi Mo/Meng Jiu (great medicinal skills, handsome features although is disabled)
5. Li Yan (great beauty from Lou Lan, Liu Che's favourite)
6. Li Yan Nian (LY's older brother)
7. General Wei Qing (Princess Ping Yang's husband, Wei Zi Fu's younger brother)