A Long Song

Bai Luoxian, a close disciple of an elder at Yansu Mountain Gate, accidentally got a book while wandering in the market at the foot of the mountain. It actually recorded the love story of the senior brother. It described in detail how the senior brother changed from a sunny boy to a dark man and became a demon. He was also coerced and lured by a ghost called "System" that appeared from the book to change his master's fate. But as the completion of system tasks increased, he always felt that something was wrong...