Keiko Niwa (丹羽 圭子, Niwa Keiko) is a Japanese editor and screenwriter born in Hyogo prefecture. She sometimes uses the name of Kaori Nakamura (中村 香, Nakamura Kaori) as her pseudonym.
When Marnie Was There
Screenplay
The Secret World of Arrietty
From Up on Poppy Hill
Tales from Earthsea
Ocean Waves
Earwig and the Witch
