The Kingdom of Marronnier lies in the center of a continent comprised of eight nations. In this kingdom, the female general Baribara, who commands the knights, has seven sons, each with their own unique personality. "Never sleepy," "Philanthropic," "Easily gets hot," "Easily gets cold," "Animal tamer," "Swordsman," "Always hungry"—each possessing different qualities, they share only one common goal: "To one day heroically rescue a princess!!" The brothers embark on a journey as "ambassadors" to the seven nations, searching for their destined partners. A story of love and adventure begins!