Rengoku ni Warau

Vol.6 Chapter 29: An Audience, Opposing the Demon King
Vol.6 Chapter 28: The Sworn Siblings, Pledging Under the Autumn Leaves
Vol.6 Chapter 30: The Young Tactician, Scheming Against the Blind Ninja
Vol.6 Chapter 28: The Sworn Siblings, Pledging Under the Autumn Leaves
Vol.6 Chapter 30: The Young Tactician, Scheming Against the Blind Ninja
The story is set 300 years before Donten ni Warau, during the Tensho Period. At Lake Biwa, the largest lake in Japan, the battle with Orochi ensued.