Naruto: Orochimaru got Memories

Plot:

The prologue starts with a person transmigrating in Konoha when the 3rd Ninja War is about to start.

He dreams big, that he will learn Flying Thunder God and 8 gates and stuff.

But, he gets kidnapped by Orochimaru for Hashirama cells transplantation research.

To save himself, he pretends to be a seer, and Orochimaru reads his memories, and smirks.

Now, he knows the future, the OG Orochimaru.