OVA
Description
Dr. Kuron is an older, highly intelligent Chinese physician who serves as a co-founder and key figure at the Ogami General Hospital, having established the facility in 1936 together with Dr. Kenji Ogami. His history is deeply intertwined with the Ogami family, and in his youth, he was a schoolmate of the original Nanako Shichigusa, a connection that significantly informs his later interactions with her clones. Within the hospital's hierarchy, he holds the position of deputy director of the Jupiris research facility, granting him considerable authority to oversee scientific experiments and direct personnel.

His personality is characterized by a strict, analytical, and strategic mindset, where logic and efficiency are placed above all else. He is not a man given to sentimentality; his temperament can be short, and he has little patience for those he deems incompetent, often displaying a sharp tongue. Despite this rigorous exterior, which can make him seem distant or aloof, he is respected for his intellectual rigor and total dedication to his work. He is socially introverted and emotionally reserved, sometimes struggling with interpersonal relationships, though he makes a conscious effort to show kindness to the current Nanako clone, likely because she reminds him of her original.

Dr. Kuron's primary role in the story is as a senior medical and scientific authority. He is directly involved in the training and oversight of Nanako Shichigusa, the third clone, personally supervising her regimens alongside Genki Udea. His scientific expertise includes specialized medical techniques, such as the use of acupuncture, which he employs during conflicts. He also engages in high-level discussions with Dr. Kyoji Ogami, the current head of the hospital, regarding the philosophy and legacy of his grandfather, Dr. Kenji Ogami.

His key relationships are defined by long-standing history. He shares a complex and antagonistic relationship with Komanechi, another elderly resident of the hospital, marked by repeated bickering and physical altercations. In one notable instance, he inadvertently took a tranquilizer dart intended for a rampaging patient while participating in a plan to subdue the threat. His history with the original Nanako shapes his more benevolent attitude toward her clone, setting him apart from other harsh characters like Kaoru Satsuki, who treats the clone with cruelty. As a mentor, his interactions with the younger Dr. Kyoji Ogami involve exploring both scientific endeavors and the deeper meanings behind the facility's work.

The character does not undergo a dramatic transformation, as his role is defined by his established wisdom and experience. His development is shown through his pragmatic decisions and his long-view perspective on the events unfolding around the Nanako clones. He remains a stable, if stern, presence amidst the chaotic experiments and disasters that plague the hospital, always prioritizing the success of the research and the handling of its subjects according to his logical principles.

Dr. Kuron possesses several notable abilities tied to his background. These include his medical knowledge, particularly the use of acupuncture as a combat technique. He is depicted as a capable survivalist, having once built a fire to provide a hot bath for a sick Nanako during a training exercise in the wilderness. As a senior scientist, he is adept at overseeing complex and dangerous experiments, and his strategic mind makes him a valuable asset when the hospital faces external and internal threats.