Undertale: The Ultimate Sans System TUSS

Mark got killed by a flying car and get reincarnated with The Ultimate sans system in the Undertale multiverse
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This is my first work so prepare you're eyes to bleed
English is not my main language
this story is principally for me to write better and improve my grammar so if you can give some advice or tips it will be nice :)

I don't own this picture, if you want me to remove inform me into the review.