Journey to the West: the System That Shocked Me Became Tang San Burial

[Prehistoric + behind the scenes + no heroine + the fourth natural disaster (note: the fourth natural disaster has relatively few scenes)] Tang Yu accidentally traveled through the wilderness and became a demon soldier. However, the Lich Calamity Tribulation has reached the later stage! Just then the system came, but the system chose to self-destruct. But surprisingly, Tang Yu found that he had fused the remains of the system, but fell into a deep sleep! After waking up, Tang Yu found that he had slept until the Journey to the West period, and finally bound Tang San's burial out of desperation! However, Tang Yu discovered that a conspiracy was gradually emerging...