Undertale: Under Abandonment

FC! Sans was the cover character for a function-calculation software program. Because the author liked Undertale, they gave it a Sans-themed appearance. But as soon as it was released, netizens criticized it, even cyberbullying the author and calling it a reskin, a low-quality AU, Bone Lord, and more... So the author deleted the software's cover character. FC! Sans was heartbroken, and in his despair, he met Ink! Sans...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.