Old Dreams of Flowers Blooming in the Mountains

My heart is like a flower beneath the moon, and like the moon itself, shining upon all the world. [Notes: 1. A game fanfic. 2. In this story, the fall from the cliff takes place in the winter of Chengyong Year 15. 3. The Commandery Princess route. The princess is named Hua Yunlan. 4. The plot broadly follows the game, with some changes to details and the timeline.]