A Princess Royal Always Pays Her Debts

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Princess aids savior, suffers betrayal, vows to become Viking Queen.
Astra conceals nobility to wed Kyle and ensure his exam success. Kyle sleeps with a sheriff's daughter. Astra swears brutal retribution and declares she will become the next Viking Queen.
Facts
- Astra hides royal identity to help Kyle.
- Kyle betrays Astra with sheriff's daughter.
- Astra vows vengeance and claims Viking throne.
Fits
This story suits audiences who want a hidden-identity heroine turning betrayal into a bid for supreme power.
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