Lady Xiahou. Lady Hayakawa 早川殿 Hayakawa-dono is a common nickname for one of Ujiyasus daughters and Ujizane Imagawas wife. Sister of Cao Zhen ans wife of Xiahou Shang.
In Blast she is named Xiahou Ji 夏侯姫 onyomi. Young man you have just arrived in our Tortoise Kingdom. Empress Zhang 張皇后 of the Latter Lord hòu zhǔ 後主 Liu Shan was the younger sister of Empress Jingai.
When Zhang Fei caught her and then later married her she was a lot younger than he was.
And no Lady Xiahou is the girl with the stuffed bunny. Regarding the exact time of the competition we will decide after talking to the Chen Family. She won eighth place in the Warriors. The mother of Lady Zhang Liu Shans Empress.