After a tragic loss and a lifetime dedicated to medical breakthroughs, Kanji Yakutani finds himself reborn in a medieval realm as Falma, a member of the prestigious De Médicis family. Endowed with the divine arts of healing and diagnosis, Falma navigates a world where healthcare is a luxury for the elite. Armed with modern wisdom and mystical abilities, he rises as a renowned pharmacist, challenging the status quo to revolutionize healthcare for all in the San Fleuve Empire.