The first side story volume of the series Saiunkoku Monogatari. Consists of three side stories and a bonus short story. Timeline is set between volume 1 and 2, a little before volume 3.

From Wikipedia:The story, which takes place in the fictional medieval empire of Saiunkoku, follows the adventures of Shūrei Kō, a descendant of a noble family that has fallen on hard times.Her father works as a librarian in the Imperial palace, a post w