Surprise! The Crown Princess drives a mecha into the battlefield

(Don't panic if the new book has a low rating) Mu Wanwan, a top modern spy who is proficient in medicine, traveled through time and space and came to the Ruilan Dynasty, becoming the newlywed wife of the deposed prince. The moment she raised her eyes, she saw him, Si Yuan, who was dedicated to protecting the country's territory, fighting bravely on the battlefield, and was suspected by the emperor in the court. Once he was deposed, he fell from the clouds to the bottom of the valley. Fortunately, she came to his side. "No weapons? Can a laser sword be used?" "Your father is disabled? Buy a medical cabin!" What? There are also zombie crystal cores? What is that for? Her personal space also came with it, and it also came with a cross-border trading system. ...