Koukyuu no Hanayomi Sennyo

Koukyuu no Hanayomi Sennyo summary:

Deciphering the memories dwelling within flora to solve each case. A classic Chinese-styled fantasy set in the inner palace.
Kouken is a girl from a hidden village that are descendants of florakinetic sages. However, because of their abilities, their clan has a history of being oppressed. One day, the fourth prince Shurei, finds them and takes Kouken to the inner palace for her flora sage abilities to solve various mysteries and cases at court.
This is a manga adaptation of the 20th Kadokawa Beans Novel Award winner, which won both the “Excellence Award” and the “Readers' Prize.”