14 years after the Battle of Sekigahara. The last battle for the survival of the Toyotomi family has taken place. For whom was the Osaka Winter and Summer Siege, which made the Tokugawa world known, for? Focusing on Sanada Yukimura, whose work is described in Satsuma Kyuuki and Hosokawa Family Records, it depicts the eastern and western warlords with new verifications.