News related to Nobunaga's cousin, Oda Nobuzumi on his castle Omizo. According to the archaeological discovery at Omizo, the castle was built with the Azuchi method. Omizo Castle was located on the western side of Lake Biwa. With Hideyoshi located at the north with Nagahama, Nobunaga with Azuchi at the east, and Mitsuhide at the south with Sakamoto, it created a diamond around Lake Biwa.
Tenka no tame!