The alleys of Lin'an in Qingcheng are twists and turns, with no end as far as the eye can see. The worst and darkest side of Qingcheng is tightly hidden in one's arms. This is a dark underground world where all kinds of invisible ants are dormant. He dared to put his hall here and still put it safely. The hall master Lin Mufeng was a ruthless person. He was the only bright color in this dark world, not as warm as the sun, but like the moonlight.