I Became the Crown Princess of Ancient Thailand

This novel is set in a fictional world. [He is domineering and scheming; she plays the pig to eat the tiger.] During a special mission, the female boss was struck by lightning and transmigrated to ancient Thailand, where she became embroiled in a battle between humans and demons. Skilled in both literature and combat, she can be sweet or fierce. One day, she woke up as an ill-natured, fat girl. He is the young general of the dynasty, The Outcast, second only to the ruler and superior to everyone else. Rumor has it that he is cold and keeps his distance from women. When she meets him, one plays the pig to eat the tiger while the other is scheming and taciturn. What kind of extraordinary story will unfold between them?