Kusuriya no Hitorigoto: Maomao no Koukyuu Nazotoki Techou

A young woman from the red-light district, trained as a doctor and pharmacist, enters servitude in the imperial court. Concerned by rumors of the emperor's children dying young, she becomes determined to uncover the cause. Driven by curiosity and a desire for knowledge, she begins to investigate the circumstances behind these deaths. As she delves deeper, changes begin to emerge within the court.