The second book is out so feel free to go read the first part! Also, I was looking for Underfell Sans photos and this popped up
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YOU ARE READING
An Old Friend ' Underfell Sans x Reader '
FanfictionYou and Sans had been friends since you were little, when the monsters had to leave, you were really upset that your only friend, Red as you called him, had to leave. Will he remember you after 7 years of being in the underground? Or will he just fo...
