- Height:5' 5" (166cm)
- Weight:182.6lbs (83kg)
- Debut:August 8 1980, vs. Yukari Ohmori
- Date of Birth:December 8 1964
- Promotions:AJW (1980-1989), Free (1993-1994), GAEA (1994-)
Career Title History
- May 15 1982 - Defeated Itsuki Yamazaki for the vacant AJW Junior title. Lost the belt on August 10 1982 to Noriyo Tateno.
- January 8 1984 - Defeated Noriyo Tateno for the AJW Junior title. Vacated it the same day.
- August 25 1984 - With Lioness Asuka (Crush Girls), defeated The Dynamite Girls (Jumbo Hori & Yukari Omori) to win the WWWA World Tag Team titles. Lost the titles on February 25 1985 to Crane Yu and Dump Matsumoto.
- May 16 1985 - With Lioness Asuka (Crush Girls), defeated Bull Nakano and Dump Matsumoto to win the vacant WWWA World Tag Team titles. Vacated the titles in December 1985 when Chigusa is injured.
- March 20 1986 - With Lioness Asuka (Crush Girls), defeated The Jumping Bomb Angels (Itsuki Yamazaki & Noriyo Tateno) to win the WWWA World Tag Team titles. Lost the titles on August 23 1986 to Bull Nakano and Dump Matsumoto. Kazue Nagahori defends half of the title on Asuka's behalf because she is injured.
- April 5 1986 - Defeated Dump Matsumoto for the vacant All Pacific title. Lost it on August 21 1986 to Leilani Kai.
- April 27 1987 - Defeated Leilani Kai for the All Pacific title. Retired as champion on May 6 1989.
- October 20 1987 - Defeated Yukari Ohmori for the WWWA World Singles title. Lost it on August 25 1988 to Lioness Asuka when she was injured.
- September 22 1988 - Defeated Monster Ripper in a tournament final to become the IWA champion. Lost it on January 4 1989 to Madusa Micelli.
- January 5 1989 - Defeated Madusa Micelli for the IWA title. Vacates on May 6 1989.
- March 4 1989 - With Lioness Asuka (Crush Girls), defeated Mika Komatsu & Yumi Ogura to win the WWWA World Tag Team titles. Titles are vacated on May 6 1989 when Nagayo retires.
- November 2 1996 - Defeated Devil Masami to become the first AAAW (GAEA) Singles champion. Lost the belt on September 20 1997 to Devil Masami.
- August 23 1998 - Defeated Devil Masami for the AAAW Singles title. Lost it on May 16 1999 to Aja Kong.
Grand Prix Record
- 1985: Third, behind Dump Matsumoto and Lioness Asuka. Pinned by Matsumoto in the semi.
- 1986: Finalist, losing to Yukari Omori.
- 1987: Winner! Defeated Dump Matsumoto in final.
The Best Tag League Record
- 1985: Finalist, w/Lioness Asuka lost in the final to Bull Nakano and Dump Matsumoto.
- 1986: Winner, w/Yumiko Hotta.
- 1987: Winner, w/Lioness Asuka. Defeated Bull Nakano and Condor Saito in the final.
- Head of the GAEA promotion.
- Formed the Crush Girls with Lioness Asuka.
- Used the name of 'ZERO' in WCW in 1996-7.
- Nagayo & Lioness Asuka vs. Dynamite Girls on August 27, 1983 was named as the 1983 AJW Match Of The Year.
- Devil Masami vs. Chigusa Nagoya on August 22, 1985 was named as the 1985 AJW Match of the Year.
- Yumiko Hotta & Chigusa Nagayo vs. Akira Hokuto & Yukari Omori on October 10 1986 was named as the AJW 1986 Match of the Year.
- Inducted into the All Japan Womens Hall of Fame on November 29, 1998