The Yamato people (大和 民族, Yamato minzoku, literally "Yamato ethnicity") or the Wajin (和人, Wajin, 倭, literally "Wa people") was applied to the Imperial House of Japan or "Yamato Court" that existed in Japan in the 4th century; further, it was originally the name of the region where the Yamato people first settled in Yamato Province (modern-day Nara Prefecture).

Yamato is the daughter of Kaidou of the Four Emperors. Groomed from a young age to be Kaidou's heir, Yamato instead developed a profound admiration for the samurai Kozuki Oden. After his death, Yamato chose to "become" Oden, impersonating him and adopting his mannerisms. As a result of this desire to become Oden, Yamato refers to herself as Kaidou's …