, known by her pen name , was a Japanese writer and poet. She was known for her works of fiction and nonfiction about people affected by World War II.
Henmi was born in Mizuhashi (now part of Toyama City), Toyama Prefecture. She was the daughter of Gen'yoshi Kadokawa, founder of publisher Kadokawa Shoten and the older sister of Haruki Kadokawa.
Henmi won the Nitta Jirà  Culture Prize in 1984 for her 1983 book , about crew members of the Japanese battleship Yamato and their final voyage during Operation Ten-Go. The book was later made into a 2005 movie under the same title. Henmi also won two nonfiction literary awards for her 1989 work about notes received 10 years after World War II by the family of a man who died in a Russian prison camp in Siberia.
Henmi died on September 21, 2011, after collapsing in her home in a Tokyo suburb. She was 72 years old.