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Stories by ThatCarsUndertaleFan
Mater's Undertale (Cars X Undertal...
When Lightning and Mater fall down in the underground, they must find a way to get out safely. Along the way...
Mater's Tall Tale (Undertale AU)
His tallest tale yet! When Mater rescues a UFO from Parking Area 51, they both go into hiding. The Spaceships...