Yeo-reum

A maid under General Gwak's household. A bright, capable young girl who pulls her weight while keeping Dol-swae and Gae-ddong in line. Grew to like Dol-swae since their childhood, but hid her feelings from Gae-ddong and miss So-hee. Currently causing tensions around the servants' quarters after becoming intimate with Dol-swae.

(Source: the manhwa's character introductions)