SLEEPING BEAUTY (2)

She wanted to know what is Western Heaven and what is their true purpose here and what is the truth of this world that seems foreign yet familiar at the same time. 

If that is their birthplace, then why couldn't she remember it?

Why is there a need to alter it?

Yes, that is the conclusion that she had arrived at. 

Someone or something had tried to alter the memory of the adventurers. And then they are someone that tried to restore it.

In her memory, there is no such thing as that people could revive. But in the memory of the native of this world, the adventurers could always revive themselves in the past.

When this fact was known around a year ago, suddenly the memory that they could revive unlocked 

The adventurers remember that some of them died but they don't remember how they died and how they revived. 

There is a flaw in this memory altering