A close confidant of Li Ni and a fellow soldier of Zhenxi Army.Xie Chang'er and Li Yi are brothers and sisters. His hearing is several times more sensitive than ordinary people, and he can hear extremely distant and subtle sounds. He has won many opportunities for the Zhenxi Army on the battlefield.Xie Chang'er has a stable and reliable character, is not good at words, and is emotionally dull and unrealistic.He was attracted by Taozi's quirky personality and eventually embraced the beauty.