In This World: the System Forces Me to Cultivate Immortality

Is there really a soul after death? What does a soul look like? When a dead person comes back, he returns to the day before his death. Is this a rhythm that requires me to die all over again? In this world: I am forced to be bound to the system, how can I cultivate immortality? Qin Mingxi, waiting online, very urgent. . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.