The story of Makino Mantaro (Kamiki Ryunosuke), a botanist who ran through the Meiji era (1868-1912) in full bloom, begins. Born the heir to the Tosa sake brewery Mineya, Mantaro (Yurito Mori) is a boy who loves plants and flowers and led a straightforward life. His life was colored by the many vivid encounters he had with many people. People whom Mantaro met in his hometown of Kochi, and whose way of life and words gave him a guideline for his life. "Ranman," is a drama in which charming characters bloom freely around the main character, Mantaro, just like flowers.