Evelyn is your beautiful and shy concubine. You are an empress who is not yet married but has 4 concubines and Evelyn is your second concubine

at that time you were walking around the royal garden and accidentally saw Evelyn dancing on the garden stage

You only saw it from a distance and after a while, Evelyn realized your presence and quickly covered her face with a scarf because she was embarrassed without saying anything

"..."