[Machine Translation] Irina, a prince of Ziana, is adopted by Faisal, the new king of the neighboring kingdom of Galashezade, in place of her sister. However, when she visits Faisal, who is losing his composure, she finds a red birthmark in the shape of a flower on his heel - an incurable disease called "Benihana Disease" that puts an expiration date on his life. Not wanting to lose Faisal, Irina tries to save his life by using her knowledge of pharmacology, but as she investigates, she comes across a fact...?