The Thea Sisters are summoned to the Seven Roses Unit by Will Mystery, but when they get there Will is missing; the sisters follow a trail of clues to the Fantasy Kingdoms, and find out that the Mayhem Mirror has been disturbed, and a terrible curse is about to be unleashed on the Fantasy Kingdoms, and it will be up to them to find the eight Harmonies which can break the curse and save the Kingdoms.

The exiled Princess Shiori must unravel the curse that turned her six brothers into cranes, and she is assisted by her spurned betrothed, a capricious dragon, and a paper bird brought to life by her own magic.