I Hired a Son-in-Law to Bring Good Fortune, and from the Start He Wants to Give the Young Lady an Injection?

[Strategic rivalry + Divine Doctor System + multiple heroines + martial arts world] He has barely transmigrated to Great Xia when he is sold, and the young lady even mistakes him for trying to use a “weapon” on her. From a live-in son-in-law to the ruler of a dynasty, he proceeds one careful step at a time, using his wits to turn everything upside down, only to get caught up in the schemes of the martial arts world. “I’m going to form an organization. I plan to call it ‘Tide.’” “Have you ever seen a needle in ancient times? Do you know what an ultrasound scanner is?” “With a System backing me, why should I be afraid of you? I’ll attain supremacy through medicine!” “Replace the Grand General for me, and strip the eldest young master of his position.” “Father, leave Great Xia to me. You can step down now!” The Jade Beauty asks, “You’re not from here, are you?...”