The Crown Prince Disguised as a Man Says Nothing, Just Keeps Wrecking the Plan

A disastrous start: an incompetent and tyrannical emperor for a father, an ambitious step-empress, a foolish and wicked stepsister, and a spineless twin brother who is crown prince. In her previous life, her country was destroyed, her people died, her father died, her brother died, and in the end she herself was torn apart by five horses. Now that she has lived again, how will she turn the tables...