Extra Chapter of Zhuyu: Unequal but Yu

In the BE ending of the original drama, Qi Min drank the poisonous soup fed by Yu Qianqian himself and died with a smile on his face. Qian Qian ascended the throne with her son and became the Queen Mother, spending the rest of her life alone. But - what if death is not the end? What if Qi Min's obsession is too deep and his soul refuses to dissipate, turning into a lone ghost and staying by her side day and night?