When the man opened his eyes, he was reincarnated as the heir of a famous clan in the Sengoku Era. Unfortunately, the ‘famous clan’ he was reincarnated into is different from the famous clan in his expectation. What is waiting for him in the future is death. As such while facing the harsh reality the man struggled, all in order to change his future. This is a tale of a young man rising in the harsh Sengoku era using the art of war.