In Gekkakou (Flower Moon Kingdom), the doctor’s bath was the best treatment for illnesses and injuries. In this time period, a young woman named Koyou successfully performs surgery requiring sutures in front of the shocked Crown Prince Keiun! Swirling with conspiracies, mysterious beliefs, and scathing insults... With powerful allies, Medical Doctor Koyou and Crown Prince Keiun will face hardships and a national crisis! A Chinese-style court medical fantasy!