Layla and Laura were a close pair of sisters born to a noble family. But their daily lives suddenly changed after Layla became the “Saintess,” an important asset to the country… And thus due to an evil nobleman’s scheme, their love is being torn apart… 魔物との争いが絶えぬ国『マルキード王国』。そこに住む2人の姉妹「レイラ」と「ローラ」。いつも一緒で、なかよし姉妹であったが、姉のレイラが国の要人である「聖女」となったことで一変してしまう。貴族の謀略により2人の愛は引き裂かれる――。