Gu Xun (attack) × Zhou Nan (suffer)
Zhou Xu'an was born in poverty, and his parents died when he was very young. Later, he was caught by the Demon Sect and controlled by the Demon Sect's people. He was trained as a craftsman and sent to the righteous path to cultivate immortality and steal the secrets of the righteous path. On the way, he met his master Gu Xu. As he and the master got along, he fell in love with the master unknowingly.
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Purpose: Symbiosis between avenues