Time Travel: I'm Looking for Teammates in the Palace

My name is Wu Yating! There is a young boy named Tang Zhexiu and his brother Si Yeli. I like him. He is the school boy and his grades are pretty good! One day we made an appointment to go to an antique store. I was picking through the items in the antique store and saw a unique pocket watch. I touched it with my hand. The next second, the world was spinning, and three people traveled through time. The heroine transformed into a palace maid, and Tang Zhexiu became the king of Zhou, while Si Yeli. I hit my head while traveling through time, lost my memory, and became a tyrant after traveling through time. The three of them had to hold their pocket watches before they could go back. The heroine actually lost her pocket watch, and the hero lost his memory again at night. What to do? What story will happen to the three of them? Originally titled "The Tyrant Always Wants to Kill Me After He Loses His Amnesia"