Kingdom knight Regina: Noble female knight is eroded by lust

Three years ago, the city of Porda, where ruins were found underground in a cemetery on the outskirts of town. A magical abnormality was found around Porda, and the royal knight Regina was ordered to disguise herself as an adventurer, investigate the cause of the magical abnormality, and solve it. While on her way, she got lost and somehow managed to reach Porda. As Regina proceeded to investigate the ruins, she encountered a monster named Astrid. At the end of her battle, Regina, who was caught in a momentary gap, was cursed by Astrid to change her own magical power into lust. Somehow, she found a way to break the curse, but Regina was told that she needed the body tissue of the person who cast the curse on her to break the curse. be. Will Regina be able to break her curse and fulfill her duties as a knight?