In Order to Find My Girlfriend, I Traveled Across the World

Due to an accident, a young boy's girlfriend mysteriously disappeared in front of him. Then he joined a mysterious organization and continued to take on tasks just to find clues about his girlfriend, and then traveled around the world. During the Warring States Period, he advocated reform and strengthened the clan In the Three Kingdoms, he was ordered to restore the Han Dynasty when faced with danger. In the Southern Song Dynasty, he led troops to fight against the enemy and killed traitors with his sword. Every time he traveled through time, he could find traces of his girlfriend, but he never saw her.