Immortality: the Piano Breaks the Demon, the Sword Kills the Immortal

[Mortal Flow] [Single Female Protagonist] [IQ Online] [Decisive Killing] [Has System, Only Assistance, Not Invincible] The young man broke his leg and carried the piano, and his wife ran away carrying him. "Fu Lang, what if the murderer can't be found?" "Then if you have any doubts, get rid of them all." The road is difficult and life and death are unpredictable. But as long as I have one breath, even the collapse of the sky and the earth will stand in your way. The sound of the piano and the sword harmonizes, looking for a glimmer of life in a dead place; the intertwining of blood and fire builds an indestructible Taoist heart in a desperate situation. This is the journey of an ordinary couple who fought their way out of a desperate situation to become immortals.