When I Woke Up, I Became a Sand Sculpture National Master.

This is the author's first book, and it belongs to the dark history genre... It relies on sand sculptures to promote the plot, and the world view and some characters in it will be reflected in the subsequent novels. Well, there is almost no logic in it. It is just the author's leisurely panic and amusing himself... Sand sculptures? Intention: Indomitable, we retreat when the enemy is strong