If I am Zhang Wuji, who are you?

Zhang Cuishan, the hero of the first volume of Jin Yong's martial arts novel "The Dragon Slayer by Eternal Adversity" [1], is one of wudang zhang sanfeng's disciples, ranking fifth among the Wudang Seven Heroes. Zhang Sanfeng commented that he was the disciple with the best martial arts understanding, handsome, elegant, gentle, intelligent and gentle; Profound knowledge, exquisite calligraphy, both civil and military, with iron pen and silver hook as weapons, nicknamed silver hook iron pen. Jade was injured and became attached to Yin Susu. However, due to the distinction between good and evil, they accidentally drifted to the island of ice and fire to form a couple and gave birth to a son, Wuji. Finally, he returned to China, but he committed suicide because he was ashamed of himself, and Yin Susu died with him.