Born in Tehran in 1977 and raised in Osaka Prefecture.
After graduating with a law degree from Kansai University, Nishi made her debut as a novelist with Aoi in 2004. Her sophomore novel Sakura became a best-seller next year. She is also known for her novels Tsutenkaku, Kofuku Midori no and Entaku.
J'ai préféré ce tome au premier. Quand le propriétaire du restaurant parle à Kikurin à l'hôpital j'ai eu envie de pleurer. Une belle série en deux tomes finalement.