Nono-chan is the eldest daughter in the Yamada family and a third-grade elementary school student. Her family consists of her father, Mr Yamada Takashi, her mother, Mrs Yamada Matsuko and her brother, Noboru, a junior high student. Together with her grandmother, the family of five makes up a pleasant Japanese family. Everyone is special and everyday is always filled with joy and surprise.

Source: ANN

Note: In 1999, Takahata Isao of Studio Ghibli directed a feature film (Tonari no Yamada-kun) based on the manga that this series is based on. "Tonari no Yamada-kun" was the original title of the manga series which is now called "Nono-chan".

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Side story: Houhokekyo Tonari no Yamada-kun