is a Japanese slice of life comedy manga series written and illustrated by Iou Kuroda. It was serialized in Kodansha's Monthly Afternoon magazine from September 2000 to August 2002. In 2003, a story from the series, Summer in Andalusia, was adapted into an anime film, '. An original video animation (OVA) sequel, ', was released in 2007.
Nasu is a collection of stories, focusing on a returning series of characters, such as , a farmer, and a young girl named , who begins the series abandoned by her father and residing in Tokyo with her two younger siblings, and as the manga progresses to its second volume, leaves the city to reside in the countryside with her relatives, near Takama's farm. Apart from the chapters concerning Takama and Aya, other stories are also featured, such as one telling the chronicles of samurai in the Edo period hunting forbidden eggplant (nasu), another set atop a futuristic Mount Fuji, another tale concerning a truck driver, and also "Summer in Andalusia", the story concerning the professional Spanish bicyclist Pepe Benengeli, from which the film was adapted.
Written and illustrated by Iou Kuroda, Nasu was serialized in Kodansha's manga magazine Monthly Afternoon from September 25, 2000, to August 24, 2002. Kodansha collected its 24 chapters in three volumes, released from July 17, 2001, to December 18, 2002.
In 2003, Nasu was brought to the attention of animator and director Kitarà  Kà Âsaka by Kà Âsaka's long-time collaborator from Studio Ghibli, Hayao Miyazaki, a fan of cycling himself. Kà Âsaka adapted the Summer in Andalusia story from the manga into the film, ', which soon went on to become the first Japanese anime film ever to be selected for the Cannes Film Festival.
An original video animation (OVA) sequel, ', was produced in 2007 with Kitarà  Kà Âsaka returning as director. The OVA won the best Original Video Animation award at the seventh annual Tokyo Anime Awards, held at the 2008 Tokyo International Anime Fair.