Obscurite Magic - Lust corrupted princess Juliana

Though a princess, Yuriana is willful, and as a princess knight, keeps the monsters at bay.
One day, while she is training with the knight commander, a man from Ruyed Island
arrives, asking for their help to deal with the monsters living in the dungeon there,
that have grown violent.
Hearing this, Yuriana insists on dealing with the situation herself, despite the commander's
attempts to stop her.
In the end, does glorious victory await Yuriana, or will it be humiliating violation...?