Half a Lifetime of Mystery and Permanence

Twenty years ago, there was a palace coup, a bloody war, and the chaotic world of human love and hatred. The best policies and the best people are ultimately just a drop in the ocean of worldly affairs. The mysterious Butterfly Valley organization, the noble outsider, are they cunning and cunning, or are they just destined? Even if my fate is up to me, I can't escape the beating hearts in the secular world. Whose world is disrupted?