Tsui Ling

History
Tsui-Ling was Kazuma's former lover during his exile in China. Kazuma loved her dearly and they lived a happy life together. At one point Tsui Ling and Kazuma were captured by Stars and Sagacity, the former being sacraficed to a demon.

Legacy
Tsui Ling is occasionally seen throughout the series when Kazuma is in some distress. Her death and Kazuma's inability to keep his promise to protect her became his driving force to protect everyone with his wind powers.