Marronnier Oukoku no Shichinin no Kishi

At the heart of a continent of eight nations lies the Marronnier Kingdom, ruled by the female general Barbaria and her seven remarkable sons, though each of them is different in every way, they share one dream:

"To someday rescue a princess in a cool way!"

Now dispatched as envoys to seven foreign lands, the brothers face unknown trials, fated encounters, and a destiny yet to be revealed. A medieval fantasy of romance and adventure—the story begins.

(Source: MAL News)