TV-Series
Description
Nadi, whose real name is Nadeshiko Yamato, is the thirteenth girlfriend of Rentarou Aijou and a Japanese language teacher at Hanazono Flower Nectar University Affiliated High School. She is 24 years old and her birthday is on February 11th.

On the surface, Nadi presents herself as a loud, freewheeling, and aggressively Americanized cowgirl. She dresses in a flashy pseudo-Western outfit complete with a cowboy hat and a scarf patterned after the Stars and Stripes. Her signature speech pattern, known as "Nady-speak," is a bizarre and broken mix of Japanese and English, with wildly incorrect vocabulary and grammar. She carries a rope she calls her "American Justice Rope" and often preaches that people should live freely without being tied down by fixed ideas or stuffy rules.

However, this extroverted American persona is a constructed mask. Her true nature is timid, modest, easily flustered, and deeply conditioned by a strict traditional upbringing. When placed in genuinely serious or unexpected situations, such as police questioning, her American character crumbles, and she instantly reverts to a quiet, polite, and very proper Japanese lady.

This duality stems directly from her background. Nadi is 100% Japanese by birth and the eldest daughter of the prestigious Yamato family, a household with over two thousand years of history and an extremely conservative, tradition-obsessed ethos. As a child, she was forced into a suffocating feudal lifestyle, made to wear kimono to school and pushed into learning traditional arts like Japanese dance, Noh theater, and enka singing. The pressure was intense, and punishment was severe for failing to meet expectations. The turning point came when she was locked in the family storehouse as punishment for not playing the koto properly. Inside, she found an old television and a videotape of an American movie. The depiction of a free, open, and emotionally expressive "land of freedom" shocked her and planted a deep, desperate longing for that kind of life.

Over time, she grew to resent the rigidity of her home and her "American cosplay" persona formed in opposition to it. She eventually left home, dyed her naturally jet-black hair blonde, and completely changed her wardrobe. Her parents, enraged, formally disowned her as a disgrace. She cut ties with the household and has lived independently ever since.

Her motivation is the pursuit of absolute personal freedom, a reaction against the constraints of her upbringing. Despite her rebellion, she retains a wide range of Japanese traditional skills from her childhood education, including proficiency in Japanese dance, refined table manners, and the ability to read extremely difficult cursive calligraphy. She originally wanted to become an English teacher, but her English was so weak she abandoned that plan and instead obtained a qualification to teach Japanese. To make her "American returnee" persona believable, she once flew to the United States and stayed for only five minutes.

In the story, Nadi serves as an older-sister figure within the Rentarou Family. Having fought her way out of an oppressive home, she uses her experience to encourage younger characters who feel trapped by expectations, such as Chiyo Iin. Despite her eccentric teaching methods, her students find her lessons engaging, and test scores in her subject have actually improved because deciphering "Nady-speak" forces them to concentrate.

Key relationships include her connection with Rentarou, who falls in love with her at first sight and is the first person to fully accept her, both her American persona and her true Japanese self. She shares a bond with Chiyo, seeing in her the strict upbringing she once endured. Her colleagues include Momoha Bonnouji, an ethics teacher, and Hahari Hanazono, the school's director who hired Nadi primarily because she was cute. Later chapters also reveal she has a younger sister who remains at the family home, and Nadi feels guilt for leaving the burden of the Yamato family legacy to her.

Nadi shows significant development from her initial introduction. While she begins by desperately clinging to her fake persona to hide what she sees as a shameful truth, Rentarou's acceptance allows her to confront her past and accept herself. She learns to embrace both her love for freedom and the traditional "Japanese heart" that remains ingrained in her, becoming more confident in who she is as a whole person rather than just the character she created.

Her notable abilities are a paradoxical mix. She has a deep knowledge of classical Japanese arts from her childhood training, yet her English is terrible. Her "Nady-speak" is incomprehensible to most, but Rentarou and his other girlfriends can understand her perfectly. She is proficient in traditional skills like sword fighting and Japanese dance, which sometimes unconsciously emerge when she tries to act American, such as her dancing turning into classical Japanese dance. She also possesses a surprising tolerance for Japanese-style horror, likely due to her upbringing surrounded by traditional dolls.