Yamashiro Kai

Yamashiro Kai was a Kamakura warrior of the Yamashiro house, a Matsuura band of Hizen Province in northern Kyūshū, and son of the house head Yamashiro Hiroshi. During the Mongol invasions of Japan, he served in the Matsuura contingent alongside Sashi Fusa, the sōryō of the Matsuura bands, and fell in battle against the invaders.