Book 1 : Harry Potter and the Silent Guardian (Patreon)

Synopsis:

Harry Potter AU   

A young man from our world wakes up as Harry Potter but with a big twist. He's not the famous 'Boy Who Lived'; that's his younger brother, Charles Potter. Armed with memories from his past life and all the Harry Potter stories he knows, he faces a magical world that's both familiar and full of surprises. This Harry is on a secret mission, using his knowledge to quietly change things from behind the scenes. It's a story about a hidden hero, making big moves, in a magical world full of adventures and challenges.

Disclaimer - I do not own the characters and the plot of the Harry Potter Universe.