I've verified that it's "Lonely Star Chanting Alone", and I got off the lonely valley and set foot in the ancient times. Although they are all good songs I've never heard before, I was shocked to hear this "Lonely Star Chanting Alone" again after playing more than a dozen songs. This is the music that runs through all kinds of sad plots of Guiguzi in the Warring States Period.

in addition, there are also "Millennium elegance" which is also the same tune.