Hound 4263~ An Undertale Fan-fic

In the Underground, things seem normal. Frisk never fell, no one died, but, no one was freed. But, there is something different. San can feel it, but this time, the expected didn't come knocking, it was the unexpected that came.
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Sans woke to find himself in a cage, but it wasn't him. It was like he was in someone else body. The person woke up and gave themselves a shake and the rattling of a few bones could be heard, 'A skeleton?' Sans though as he looked around the cell 'he' was in. Suddenly he heard heels clicking and someone was at door of the cage, the body he was in backed up, but he could feel burning hatred coming from the person's head he was inside of. The figure at the door smiled evilly in the gloom. Then he woke up. "Wow... what was that?...."