I heard that I am Xianjun's fiancé [Transmigration Book]

Mu Junhuai recently fell in love with a danmei novel on cultivating immortals, and finally stayed up late to read it. When he woke up, he found that he had become the fiancé of the protagonist Gong? !The plot is the same, the characters are the same, so how did this fiancé come about?System: Fanwai Mu Junhuai: It's my fault for not watching the original version.Mu Junhuai rubbed his hands: Xianjun, let's see if I can be with... Yi Zhuo: Huh?Mu Junhuai loves for a second: lingering with me... Yi Zhuo: If that's the case, I'm satisfied with you.Mu Junhuai: ...he must have read a fake book! ! !