If the male or female lead used a sword, the following plot could be used as reference: - Swords were an important weapon that often appeared in anime, games, novels, and other works. - Swordsmen usually had superb combat skills and great strength. Their goal was to defeat the enemy and protect their homeland. - Swordsmen would usually use various sword techniques in battle, including slashing, stabbing, and waving to destroy the enemy as much as possible. - Swordsmen often fought with all kinds of demons and monsters, and they needed to constantly improve their swordsmanship to face stronger enemies. If you want to know more about animes where the male or female lead uses a sword, you can try searching for related works or plots or consult other professionals.