To the Falls

Rewritten! Check the later chapters please!

It's been a few years, and after they defeated Bill, the Mystery Twins -Dipper and Mabel- had a few issues. They've moved out and finished college. The Twins are going back for a summer in Gravity Falls, hoping to capture childhood memories.
But then they found him.
He's back, but does he even know who he is?
Amnesiac AU
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My First Fanfic, If there's a typo please tell me, I'll try to fix it.
Cover by xShieru
https://www.deviantart.com/xshieru