Everything changed for the imperial court's most beloved consort-in-training, Kou Reirin, when she switched bodies with the devious Shu Keigetsu. But now the secret of their swap is out...to none other than Reirin's head court lady, Tousetsu! It's not long before even Prince Gyoumei and guard captain Shin-u have started puzzling out the answer to their many questions. Could this spell the end of Reirin's thrilling new life as she knows it?