Monarchs who wrote amazing stories?

Now before any of you drop “Meditations” by Marcus Aurelius or “Baburnama” by Mughal emperor Babur, those are not stories with characters and plots. So my question is: was there ever a monarch who wrote a story, long or short, with plots and characters?(story of his own life not count here)

Truth be told I cannot think of a single one on top of my mind. So would be nice to know some(ancient or modern days, doesn’t matter)