Falma de Médicis begins as Kanji Yakutani, a 31-year-old Japanese pharmacologist who succumbed to heart failure from overwork after dedicating his career to pharmaceutical research following his younger sister’s death from an incurable brain tumor. His consciousness reawakens in the body of 10-year-old noble Farma de Médicis, who was struck by lightning and presumed dead in the medieval-inspired San Fleuve Empire. This rebirth overwrites the original Farma’s memories but retains fragments of the world’s medical knowledge, potentially bestowed by the deity Panactheos. Physical remnants include Lichtenberg figure scars on his arms and a complete absence of a shadow. He bears blond hair and blue eyes, typically dressed in a white long-sleeved shirt with black trousers, socks, and shoes. His personality echoes Kanji’s dedication to pharmaceutical ethics, humility despite noble status, and familial treatment of servants. Haunted by his sister’s death, he vows to prevent similar suffering, transferring this protective drive to his new younger sister, Blanche de Médicis. He champions equitable healthcare across social classes, avoids violence unless necessary, and retains past workaholic tendencies that risk self-neglect. Divine blessings from Panactheos grant extraordinary powers: "Water Attribute" magic for generating water and ice; "Non-Attribute" abilities enabling material creation via his left hand (requiring molecular structure knowledge) and matter erasure with his right; "Divine Sight" to diagnose ailments through visual glows and microscopic vision; and infinite divine power amplifying spell potency with lingering effects. These classify him as a rare elemental non-attributed user, a trait linked to deities. The Church later provides artifacts like the Panac-rhabdos wand and a shadow-concealing talisman to mask his unnatural traits. Post-reincarnation relationships shift dynamically. Initial tension with his father, Bruno de Médicis, over Farma’s altered behavior and unorthodox methods evolves into mutual respect after he cures Empress Elisabeth’s tuberculosis. He avoids his aggressive brother, Palle, due to clashing pacifist values. He forges a deep bond with Blanche, viewing her as a surrogate for his lost sister. Key alliances include tutor Eléonore Bonnefoi, maid-turned-assistant Charlotte Soller, and former rival pharmacist Pierre, recruited after Pierre’s business collapses. Critical achievements include debunking medical superstitions by proving bacterial causes of diseases like tuberculosis via a self-built microscope; founding the "Parallel World Pharmacy" with royal endorsement post-Empress’s cure; funding affordable medicines through non-toxic cosmetics; surviving Church inquisitions by demonstrating benevolent intent; combating epidemics such as the Black Death; and instituting worker protections like maternity leave. In later crises, he confronts a demonic threat to the empire, sacrificing his divine powers to create a protective barrier. This act triggers a timeline reset: Kanji Yakutani survives his heart attack in the original world, while the original Farma de Médicis personality resurfaces without Kanji’s memories or divine abilities, though ambiguous fragments of advanced medical knowledge may linger.