TV-Series
Description
Jii is a supporting character in Nyan Koi!, best known as the elderly, scar-faced caretaker and bodyguard for Nagi Ichinose, the heir to a powerful yakuza family from Kyoto. His real name is never revealed, and he is addressed simply by the honorific Jii, which is a Japanese term for an old man or grandfather. He is physically distinguished by a prominent scar on his right cheek, which speaks to a past filled with conflict and hardship. His age is not specified, but his weathered appearance and the respect he commands clearly mark him as a seasoned and experienced individual.

Jii is defined by his unwavering dedication to Nagi. He is responsible for her personal well-being and carries out his duties with a meticulous and utterly devoted sense of purpose. He would refuse no request from Nagi, demonstrating an almost superhuman level of tolerance and loyalty. For instance, when Nagi desires to help Junpei Kousaka and Kaede Mizuno become a couple, Jii willingly endures the humiliation of dressing up as Tocky, a pink bear mascot at a theme park, simply to follow her orders. This act highlights his selflessness and his complete commitment to her happiness, even in the most absurd situations.

Despite this doting loyalty, Jii possesses a very commanding and intimidating presence. When dealing with others, particularly Junpei, he can be highly assertive. If Junpei disobeys him or fails to follow instructions, Jii has a habit of slipping his hand into his suit jacket, producing a distinct metallic clicking sound that strongly implies he is carrying a firearm. This gesture is an effective and non-verbal threat that immediately demands compliance, reminding everyone of his background in the yakuza underworld. His personality, therefore, is a complex mix of a caring, protective guardian and a menacing, no-nonsense enforcer. He is also known to have a specific kind of bizarre misfortune: on several occasions in the past, he was frequently struck by lightning. This peculiar trait is directly responsible for his young charge Nagi developing a severe phobia of thunderstorms.

In the story, Jii fulfills the crucial role of representing the formidable and unusual Ichinose family when the main characters first encounter them. When a rainstorm forces Junpei, Kaede, and Kanako to take an unconscious Nagi to her home, it is Jii who greets them and treats the three high school students with hospitality, inviting them into the yakuza mansion. His presence establishes the serious and powerful atmosphere of Nagi's household. He acts as an extension of Nagi's will, supporting her often eccentric schemes and protecting her from any perceived threat. His primary motivation is singularly focused on Nagi’s safety, desires, and well-being, serving as her most trusted and formidable ally.

Jii’s most significant relationship is, without question, with Nagi Ichinose. He is fiercely protective of her, acting as both a loyal servant and a surrogate grandfather figure. His actions are all in service to her, and he follows her commands without question, whether grand or silly. His interactions with Junpei Kousaka are also key; he views Junpei with a watchful and suspicious eye but largely tolerates him because of Nagi's interest in the boy. He is not afraid to use intimidation to keep Junpei in line, creating a dynamic of quiet tension. While he interacts with other characters like Kaede and Kanako with the courtesy of a host, there is no further development of his personal relationships beyond his bond with Nagi.

In terms of development, Jii remains a static character. The narrative does not focus on any personal growth or change for him, as his primary function is to be the constant, unwavering pillar of support for Nagi. The most notable background detail provided about him is his history of being struck by lightning, which serves to explain a key facet of Nagi’s personality rather than to develop his own. His background as a yakuza is presented as a given fact that informs his intimidating demeanor and professional capabilities.

Jii does not possess supernatural abilities. Instead, his notable abilities are grounded in his profession. He is extremely capable of physical intimidation, as demonstrated by the simple gesture of putting his hand in his pocket. He also shows a remarkable tolerance for physical and psychological discomfort, as seen when he dons the heavy and humiliating theme park mascot costume without complaint. His loyal service, imposing presence, and unusual backstory of being a lightning rod make him a memorable and effective supporting character whose primary narrative purpose is to underscore the dangerous yet devoted world of Nagi Ichinose.