Culinary Chronicles of the Court Flower: Volume 4 by Miri Mikawa

Just after Rimi and Shusei had vowed to cast away their feelings for each other, Emperor Shohi asked Rimi to become his empress. Now, Rimi is spending her days on edge. Suddenly, the Quinary Dragon falls ill, and Rimi travels to the old capital of Hanin to find a cure. There she discovers a mirror, and strange things start to happen around her, including a bedridden Shohi whom Rimi needs to make food for. While she searches for the cause behind what is happening, she discovers a shocking secret about Shusei! It’s time for Rimi to make a difficult decision to protect her place in the world.