Day and Night Sword Theory

"Before your life falls, please use your last struggle to please me." Chengying Kaifeng, Mu family disaster, magic weapon? Inheritance? Mu Yi would rather not have all this; leaving his hometown, surviving in desperate situations, and his first love? Siblings? The entanglement of love and hate is already doomed; the tree wants to be quiet, but the wind doesn't stop, escape? Revenge? Just a pawn in a shocking conspiracy; traveling through the present world, eventually taking Zhan Xiao, and losing his memory? Beloved? Where will Mu Yi and her sweetheart go? The day sword clears the shadow, the night sword reaches the sky, everything is in "The Theory of the Day and Night Sword"!