Flames of the Sun and a Slime?

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This is a crossover between Kimetsu no Yaiba and Tensura (English names: Demon Slayer and That Time I Got Reincarnated as a Slime)

Someone died but got reincarnated as Yoriichi Tsugikuni in the world of Tensura, where there are mythical creatures or fantasy creatures from earth.

That someone was Matthew, in which he was casually reading stories on his phone. He went inside the bank (Yeah you already know where this is going). As he entered the bank, it got robbed and he was taken as a hostage, dying during the heist, and he got reincarnated as Yoriichi Tsugikuni.

I do not own the characters that are in the story
They belong to the authors
Fuze for Tensura
Koyoharu Gotouge for Kimetsu no Yaiba