The ancestors of the Sumitomo Family, who were Sengoku samurai and descendants of Heike, lived during the tumultuous period of Japanese history known as the Sengoku period (Period of Warring States), when warriors fought each other in order to expand their lands.
平家の末裔である戦国武士だった住友家の先祖は、国取り物語の戦国時代(日本)を有為転変の歴史を生きる。