This book tells the story at the end of Toyotomi Shogunate: on the eve of the Osaka War, the secret struggle entered into the white-hot stage. From Hitachi to Mutsu, the samurai Suzuki and his friends killed countless enemies and their descendants pretended to be a family to deceive the enemy, building a deep friendship. When they served in Ujisato Gamo, Toyotomi family and Tokugawa family had disagreed with each other in the discussion.