Nouzen Clan holder of Ōmi-Demayelōn castle. In 1545, Osami Nouzen took a giant army to Kinki, Wakasa-Takeda clan. After siege the castle and gain victory, Osami, also known as Sword of Emperor, handed over the castle to Ashikaga clan, shōgun clan.

12th Jan 1545, Nouzen army passes from Yamashima-Ōmi border. Every villagers and citizens cheer the brave army of Nouzen.

Until Osami entered Demayelōn castle. His Queen, Lady Aiama, and his Royal consort, Lady Hisa, his wives welcomed him and after them his ministers and also his children