![Flatline [Sans (turns into Another Au) x reader] by Fand0mQu33n](https://img.wattpad.com/cover/374669329-512-k117529.jpg)
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Flatline [Sans (turns into Anothe...by ♡
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1603What happens behind closed doors...
the story you know of the skeleton brothers...
but......... this is the story....no one looked for...this is the story of an abandone...