She began teaming with Tarantula in 1981, winning the WWWA World Tag Team Championship on August 10, 1982 and vacating the title shortly thereafter in early 1983. On April 1, 1984, she defeated Judy Martin to win the vacated All Pacific Championship. Masami vacated on December 12, 1985 after winning the vacated WWWA World Single Championship in a match against Dump Matsumoto. She held that title until August 23, 1986, losing it to Yukari Omori. On December 26, 1987, Masami faced Chigusa Nagayo in her mandatory retirement match upon reaching the age of 25.[2] Masami would continue wrestling as a freelancer shortly after her retirement, wrestling for Japan Women's Pro-Wrestling and JWP.
GAEA Japan (1995–2005)
She then began working for GAEA Japan. On November 2, 1996 in Singapore, Chigusa Nagayo defeated Masami in a match to crown the first AAAW Single Champion. Masami, however, defeated Nagayo for the title on November 20, 1997, holding it until August 23, 1998, when Nagayo defeated her to regain the title.
Masami wrestled in the main event of AJW's final card on April 17, 2005, teaming up with Amazing Kong to defeat Kyoko Inoue and Misae Genki.
Masami announced in 2007 that she would retire from wrestling in 2008 after thirty years in the business. Her retirement match was on December 30, 2008 where she teamed up with Dynamite Kansai and Carlos Amano to lose to Aja Kong, Toshie Uematsu, and Ran Yu-Yu, when Uematsu pinned Masami with a Dragon Suplex.
^Masami won the championship when it was called the AAAW Heavyweight Championship. In May 1998, the title was re-named as the AAAW Single Championship.[4]
