Twisted Fairytales

After debating the actual story of fairytales, I made this. After all, most fairytales are more twisted then they seem.
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Niex didn't know what to think after waking up in a black space with multicolored orbs twinkling around him. His mind was fuzzy, and he couldn't recall anything anything. He didn't know how much time passed before he shook off his disorientation.

His eyes sharpened as he recalled his how he died. As a world famous star, he had many enemies, but he didn't expect to die like this.

Coming home from a shoot, he had died from a stray bullet from a robbery happening near by. As he bled out from the wound, he couldn't say he felt sad or desperate. Rather than that, he couldn't find the will to care. As such, he hadn't called for help.

Now he was here.

[I am System 002. I will be your guide through the worlds.]

What?

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I'm going through multiple fairytale's and filling up a completion gauge for some unknown higher being.

[Yes.]

If I fail, my soul would be obliterated.

[Correct.]

If I 'complete' enough stories I acquire a wish of any choice to be fulfilled.

[That would be your reward]

And these fairytales are all changed in some way, while I can complete them or twist them beyond repair.

[Affirmative. Your only job is to get a 100% completion from the gauge. After each completion you will acquire points in which you can use to buy items from the shop. I will be helping you, but my uses are limited.]

I see......