The Legend of Alex, the Archer Master

Alex and his friend were living your average teen life [expect for some bullying] one day the school decided to go on a trip while on that trip one of their rival school attacked, causing them both to fall into the ocean and drifted to an island, and something happened on that island that's changed Alex and his friends live forever, causing them to be able to stop the bullying and eventually, achieve their dreams.(Also the novel will be mostly written in first person)