Western Fantasy: Marry a Female Swordsman and Become the King of Kings

[Western fantasy, farming, single female protagonist, upgrade, female swordsman, time travel to another world, technology plus system] The protagonist travels through time and becomes a short and thin fallen knight Klingen, with only one knight attendant and six farmers. On the day of time travel, he was recruited by the army to challenge Sophia, the female swordsman of the Eagle Empire. He relied on conspiracy and tricks to capture Sophia alive, and was given a marriage to Sophia. With the help of Sophia, fight off the attacks of the orcs, empires, undead, and demon armies, and grow into the king of kings step by step.