C151 Late at Night
Consort Shu's full name was Wu Wenjun. She was the eldest daughter of the Western King.
Initially, she had a good relationship with Shu Emperor, but ever since Shu Emperor sent the Fourth Prince, who was still in his swaddling clothes, to be used as a hostage, the two of them had a feud.
Later on, Consort Shu volunteered to enter the Cold Palace and did not meet Shu Emperor again