虐げられる人生はもうこりごり！辺境伯家に自分を売り込んだら、聖女と呼ばれ…！？
ツンデレ×溺愛×逆転劇！
魔導士一家の婚外子であるルアーナは、家族から冷遇されていた。そんなある日、魔獣と戦う最前線の地にある辺境伯家に売られることに…。
それでも誰かの思惑通りになんて死にたくない。
実はルアーナには誰にも言っていない秘密があり…。役に立つかはわからないけど、私の武器はこれしかない！
辺境伯家の息子・ジークと初めて戦場に立ったその日から、なぜか「聖女」と呼ばれることに！？
ツンデレ息子との下剋上ラブコメ！
“I’ve had enough of being oppressed! When she sells herself to the family of a border count, she is called a saint…!”Tsundere x love love x reversal of fortune!Luana, the bastard daughter of a family of mages, was treated coldly by her family. One day, she is sold to the family of a frontier count on the front line of battle against demonic beasts…But she still doesn’t want to die on someone else’s orders.In fact, Luana has a secret she hasn’t told anyone…. I don’t know if this will help, but it is the only weapon I have!Since the day she first stood on the battlefield with Sieg, the son of a border count’s family, she has been called a “saint”!A realistic romantic comedy with a tsundere son!