Mystery: Lucky

The bad news is that he died.
The good news is that he traveled through time.
The bad news is that he traveled through time in a mysterious way.
The good news is that he has not read the book.
The bad news is... what you just swallowed by mistake seems to be a lucky person's extraordinary characteristics.
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"Writers need to pay attention to logic, but fate never pays attention to logic."
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Provisional version introduction: mysterious fan fiction, female protagonist, no CP, monster path, cloud reader (?)
This article is also known as "Tarot Club Raising a Baby"