Eila to Totsu Kuni no Ou
エイラと外つ国の王
Princess Ella traveled to a neighboring kingdom to marry the first prince after her father sought to end the war by accepting the marriage proposal. A disturbing rumor exists in that country: no one who marries into the royal family ever leaves the city again. Feeling both apprehension and intrigue about the prince, Ella made her way to the neighboring land.