Ever since Bakus was little, he only wanted to be one thing when he grew up, a Chosen. So he trained diligently until he came of age with that sole purpose in mind. When he finally fulfills his lifelong wish, he finds out not everything is as he thought and he isn’t nearly as prepared as he should have been. He must now try and survive while he unravels the truth and figures out who he can trust.

FYI, this story is a slow burn with an MC that isn't necessarily meant to be OP.