
The novel is divided in two parts and is narrated by Natsuko Natsume (夏目 夏子, Natsume Natsuko), an aspiring writer in Tokyo. In the first part, Natsuko's sister, Makiko (巻子), and her 12-year-old daughter, Midoriko (緑子), arrive in Tokyo from Osaka. Makiko has come to Tokyo seeking a clinic for breast augmentation. Midoriko has not spoken to her mother in six months. Midoriko's journal entries are interspersed and contain her thoughts about becoming a woman and recognising the changes in her body. In the second part, set years later, Natsuko contemplates becoming a mother and the options open to her as an older single woman in Japan.
Natsu Monogatari is a Japanese novel of 330,104 characters, with 11,427 unique words and 1,865 different kanji. Its difficulty rating on Jiten is hard, 3.0 out of 5. The full vocabulary list ranks all 11,427 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.