A shojo manga tale of medicine, royal intrigue, and romance in a setting inspired by historical China!

In the faraway lands of the Moon Flower Kingdom, people have long relied on healing methods shrouded in superstition with dubious results. When the young Prince Keiun goes in search of more reliable remedies, his party is attacked by mysterious assailants, and he ends up witnessing a never-before-seen lifesaving procedure that shocks him to the core. Even more surprising, the one who performs this medical feat is a beautiful, yet slightly odd, teenage girl named Koyou! Just who is this girl, and why is the prince being targeted by assassins? Shadowy conspiracies, medical intrigue, and romance abound in this beautifully illustrated shojo manga!

SECRET AGENT PRINCE!

Determined to get to the bottom of a mysterious pandemic, Keiun leads a top-secret mission into the neighboring Plum Province to investigate rumors of a “mountain curse” that has already claimed many lives. Discovering it was a contagious disease all along, Keiun also uncovers a scheme to conceal the spreading sickness as well as the Stem Sect’s hidden movements in the shadows. Left with no choice, Keiun uses the last ace left up his sleeve…