Sangokushi X, also known as Romance of the Three Kingdoms, is based on the 14th-century novel "Romance of the Three Kingdoms," which chronicled the epic struggle for power during the Three Kingdoms period (220-280 AD). The game's narrative follows the lives of legendary figures such as Liu Bei, Cao Cao, and Sun Quan, who vied for dominance in a divided China. The Powerup Kit update enhances the gaming experience with new features, events, and gameplay mechanics, ensuring that the game remains fresh and exciting.