The Only One || Mettaton X Reader X Sans
‖Mettaton X Reader X Sans‖
"Look kid, you're the only one left."
The robot and the skeleton were the last of their circle of friends.
Frisk completed a Neutral Run-they killed many and even defeated Omega Flowey. They took King Asgore's soul and returned to their home in the surface, leaving all of the monsters in the Underground.
Mettaton was soon appointed king, and Sans was lost without his brother and the woman behind the door.
Both felt empty inside, until you fell down the mountain hole.
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Cover made by me.