Keiko Natsu

Career overview

Role: Meticulous television and film archivist.
Task: Write a 180-260 word career overview of Keiko Natsu (Acting).
Constraints:
Use ONLY verifiable facts from provided sources.
No invented titles, names, dates, awards, etc.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Word count: 180-260 words.
Structure: 2-3 short paragraphs.
No preamble or JSON.
Name: Keiko Natsu (Stage name: 夏桂子; Also known as: 夏圭子, 長谷川允子).
Birth: August 1, 1943, in Tokyo, Japan.
Profession: Actress.
Activity Period: Active in film and television from the 1960s to the 1980s.
Known for/Credits:
Hana no koibitotachi (1968)
Akitsu Springs (1962)
Ningyo Sashichi: The Cat's Golden Claws of Death (1984)
Woman of the Lake
The Bad Boss 3
Crazy Violence at Shimizu Harbor
Let's Dance Tonight
Just for You
Forward
Young People!
Young People
The Funeral Racket
Total Known Credits: 20.
Paragraph 1: Introduction and Background.
Keiko Natsu is a Japanese actress born on August 1, 1943, in Tokyo, Japan. Known by the stage name 夏桂子 and also identified as 夏圭子 or 長谷川允子, she has established a career in film and television. Her professional activity spanned from the 1960s through the 1980s.
Paragraph 2: Career and Filmography.
Natsu has 20 known credits to her name. Her work includes several notable titles, such as Akitsu Springs, released in 1962, and Hana no koibitotachi, released in 1968. Later in her career, she appeared in Ningyo Sashichi: The Cat's Golden Claws of Death in 1984. Other productions in her filmography include Woman of the Lake, The Bad Boss 3, Crazy Violence at Shimizu Harbor, Let's Dance Tonight, and Just for You.
Paragraph 3: Additional Works.
Her filmography also features titles such as Forward, Young People!, Young People, and The Funeral Racket. Throughout her period of activity in the film and television industries, she maintained a presence in various productions across several decades.
Drafting for Word Count:
Keiko Natsu is a Japanese actress born on August 1, 1943, in Tokyo, Japan. Known by the stage name 夏桂子 and also identified as 夏圭子 or 長谷川允子, she has maintained a career in film and television. Her professional activity was concentrated between the 1960s and the 1980s.

Natsu has 20 known credits. Her filmography includes Akitsu Springs, released in 1962, and Hana no koibitotachi, released in 1968. She is also recognized for her role in Ningyo Sashichi: The Cat's Golden Claws of Death in 1984. Other works associated with her include Woman of the Lake, The Bad Boss 3, Crazy Violence at Shimizu Harbor, Let's Dance Tonight, and Just for You.

Additional credits in her career include Forward, Young People!, Young People, and The Funeral Racket. These works contribute to her body of work as an actress active during