SinTheGuy
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UNDERTALE: tempest by SinTheGuy
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
12 Jul 2026
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Summary
(Sadly, there is no original character x original character soo yea... Unlabled ship here)
Basically a what if au that surrounds fallen humans an all that
The 2 what ifs are
'What if chara gets brought back before Asriel dies?
And
'What if humans could live in the underground on one condition? '