Chapter 1

Annabeth dies in a car crash. Percy is heartbroken and goes into a coma. The gods decided to put him in Camp Jupiter without his memory(The second giant war never happened). Meanwhile, Jason Grace becomes a god. Artemis and Percy were Hit with the arrows of Eros. Because of this Artemis faces new challenges.

Frank is in the fifth cohort
Hazel is also in the second cohort and is the daughter of Apollo
Reyna is the daughter of Minivera.
The camp hierarchy is also different.
Percy's mother, Sally, is killed by Kronos in the Titan War
#idea from BatPhoenix007