One day a class is teleported to a New World where they are faced with a decision. Either they die or become heroes to aid the kingdom in winning their wars and battles. Obviously, they choose to live and are motivated to survive they fight hoping that they return back home.

But one of these students will stand out from the rest fighting to survive in this new world. However, they will undergo many events in their life which will change their objectives that need to be accomplished in their new world.

Ace is that student, discovering the true threat that awaits him and his friends in this new world. However, this very threat will do whatever it takes to kill Ace. It knows the future paths Ace will take to accomplish his goals, and the potential he has to overwhelm them. Yet, Ace is aware of its goal to kill him as well.