Saya is the main antagonist of Namco X Capcom and a major antagonist in Project X Zone until she joins the players in one of the later chapters and becomes a Anti-Protagonist. She is a rival of the Shinra organization. Saya also appears as an enemy in Super Robot Taisen OG Saga: Endless Frontier and as support character in Super Robot Taisen OG Saga: Endless Frontier EXCEED, where she can team up with her rivals Reiji Arisu and Xiaomu.