The Fairy Sister is Li Canghai, the younger sister of Li Qiushui.
Li Canghai is a character in the 1994 movie
Both sisters are in love with their elder brother, Cliffless, but Cliffless only loves Li Canghai. And Wu Xingyun, who is also a woman, actually fell in love with Canghai's sister. Cliffless knew that these two people are not right, so he took Canghai to avoid the misty peak, but unfortunately for the traitor "Star Fairy" Ding Chunqiu was poisoned, and ultimately shattered his body.
Expanded Information:
Character Experience
Twin sisters Li Qiushui, Li Canghai, and Sister Witch Xingyun all worshipped under the Tianshan Sect, the three were originally good sisters who had nothing to talk about. Xingyun and Canghai often played the zither together, while Qiushui danced to the tunes, filling the palace with laughter.
Though Canghai is the twin sister of Qiu Shui, she is not as enchanting, ruthless and scheming as her sister, but is a gentle, quiet and uncontentious woman with a soft heart.
Wuyizi knew that these two are not right, so ignore the two, with Canghai to avoid living in the misty peak, but unfortunately for the traitor "star old fairy" Ding Chunqiu poisoned, and eventually shattered bones. Canghai wanted to look for the treasure of the family Jade Linglong, to help the free son of the rebirth, but also because of the death.
Wu Xingyun wanted to go to Misty Peak to retrieve Canghai, she is not afraid of the prejudice of the secular people, and wants to be with Canghai **** life, but due to various reasons can not be achieved. Li Qiu Shui will sometimes helplessly lament, regret that the past can only be recalled, now long ago things are not the same.
Baidu Encyclopedia - Li Canghai