欠陥聖女と呼ばれるルーアは、思い人であるガロットを命懸けで救う。だが功績は親友・アリアンに奪われ、2人は婚約。全てを失ったルーアは、信じていた者たちへの報復を誓う。
Rua, who is called the defective saint, risks her life to save her beloved Garrot. However, her achievement is stolen by her best friend Arian, and the two become engaged. Having lost everything, Rua vows to take revenge on those who believed in her.
