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I accidentally open a Pandora Box... the consequences? I found myself in this new world... • • Note: I'm not a native English so expect some grammar mistakes and low vocabulary. • • Disclaimer! I do not own the characters or settings of Demon Slayer at all, and I'm only creating this story for entertainment purposes and to improve my writing. And the cover.

-Reminder- My main language is not English so expect bad grammar and mistake, spelling, etc because im just a newbie so if you want perfect grammar then this is not for you. _____ -Summary- I was reborn into the dangerous Marvel Cinematic Universe, but I was able to extract various skills from the anime with a system. [Personal Reality From Toaru majutsu no index] [Introduction: Magic that changes reality according to one's thoughts] _____ -Info- Author: Big Brother No Vest Link: https://sj.uukanshu.com/book.aspx?id=135886 -Disclaimer- I owned nothing in this fanfic