The Heroic Spirits Who Betrayed the Prophecy and Us Who Are Heading Towards the End

The prophecy says: Yuqiu is the mirror of the world. All the broken and filthy things in the world will be reborn here. At the end of winter here, the world will end. The Holy Grail War begins here. A precarious world awaits the girl and her heroic spirit who disobeys commands. When the girl sets foot on the land of Yuqiu, the gears of fate start turning. The girl said: "Wait a minute, I was just here to celebrate my goddaughter's birthday?" Mission: Save the world, it's my responsibility