I Recalled The Memories Of My Past Life...: 1 :

"This world is exactly like the video game I played before I died."

They have to act like a normal child so people don't think they're possessed. 1 : I Recalled the Memories of My Past Life...

Once the memories settle, your lead needs to evaluate their current reality: Am I a noble? A peasant? A monster? "This world is exactly like the video game

Avoid the "inner monologue" trap for too long. Give them something to do: 1 : I Recalled the Memories of My Past Life...

"I remember why I died... and the person who killed me is in this room."

This sounds like the perfect setup for a "reincarnation" or "isekai" story. Here’s a quick guide on how to handle that first chapter where your protagonist suddenly remembers who they were. 1. The Trigger