Kimetsu No Yaiba x Reader ! {Oneshots}

{REQUESTS OPEN! :D}
Demons; the apex predators, the hands which hold taut the strings of numerous innocent lives... these notorious human-eating monsters have been ransacking us for far too long now. But if victims can fear, why can't their foes, too? This is when demon slayers step into light... to show that humanity can take a stand, and that demons aren't the only ones who can kick ass around here.
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What adventures will you, reader-chan, decide to take today? With a demon slayer? Or perhaps maybe even a demon itself...?