[1] It is part of a "loosely connected trilogy," including Heaven and All the Lovers in the Night.

An English translation of Natsu Monogatari was published in 2020, under the original title of Breasts and Eggs.

Her debut novel, Watakushi Ritsuin Hā, Mata wa Sekai (わたくし率 イン 歯ー、または世界), was published in 2007 and was a candidate for the Akutagawa Prize.

[3] Kawakami first found literary success as a blogger, with her blog later reaching 200,000 hits per day.

[7] It is characterised by a writing style that is separated by commas and continues endlessly without line breaks.

[13][14] Natsu Monogatari was translated into English by Sam Bett and David Boyd,[15] but kept the original title of Breasts and Eggs.