1550 years. A historic year in which the Ashikaga Shogun family was expelled by the Miyoshi family and the collapse of the Muromachi Shogunate began. In Kutsuki, a small territory in Omi, there was a boy who became the head of the family at just two years old. His name is Mototsuna Kuchiki [Takewakamaru]. In fact, he is the reincarnation of a modern Japanese man who loves history. As he thinks of Tenka Fubu, he is faced with many challenges, including financial difficulties, a lack of human resources, and the cunning schemes of other territories. However, the basic principles of knowing history will not yield. Armed with overwhelming knowledge, negotiation skills, and boldness, he runs through the turbulent times. A rare military strategist buried in historical facts will rewrite Japanese history! A taiga drama that boldly depicts the life of Mototsuna Kuchiki, the only Sengoku military commander who saved the three heroes Nobunaga, Hideyoshi, and Ieyasu, is born!