The Strange Light After Death

After dying, Rin was asked personally by Kami herself, to help save a world from destruction. Why him? He didn't know but what he did know: is that this, was sure as hell not going to be easy.

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I'm not great at descriptions, and I'm just going with the flow with this story, meaning I have nothing planned and there might be some plot holes since Im writing this out of boredom. Also, I will be changing the cover a lot so be warned.
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⚠️I don't own Blue Exorcist nor do I own Demon Slayer⚠️
⚠️This is also a crossover type of story If you didn't know already⚠️
⚠️there will also be grammatical errors in this story⚠️

I also haven't chosen a pairing and I don't think I will but I'm always open to suggestions.