Becoming A God In Another World With My Crush

[MATURE CONTENT] What would you do if you and your crush die suddenly, getting hit by a truck and wake up in a apocalyptic world ruined by war and it's remaining inhabitants calling you their prophesied Messiah and Savior? Well Xander Woods would be able to answer that question because that is what happens to him! After getting into a punishment with one of his bullies who so happens to be his crush and having to serve detention in school, Xander and Iris both get killed by a accident and immediately find themselves in a world ruined by war, power and greed. Xander is then revealed to be the prophesied Messiah who will wield the Aurex Blade and restore balance as well as freedom to the Realm from the tyrannical Beast King. And Iris is fated to be his companion throughout his quest. Will Xander and Iris overcome their differences and complete their quest? Will the Beast King be defeated after a hundred years of terror? Will Xander rise to become a god? Will he get a harem along the way?