If We're Brothers, Let's Go Slay Monsters Together

Monsters stir in the mist, threatening the world at every moment.

Who else will protect ordinary life and safeguard peace on earth if not a hero?

People call that kind of hero the protagonist.

My name is Ming Jingang.

My good friend Mo Gui is a hero who secretly protects the world, the undisputed protagonist.

My younger sister Ming Shuirou and my good friend Mo Gui are childhood sweethearts.

...Then what about me?