Devil Masami

Masami debuted on August 21, 1978.

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.

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.

On September 20, 1997 in Kawasaki, Japan, she defeated Zero (Chigusa Nagayo) for World Championship Wrestling's vacant WCW Women's Championship. The title, however, was abandoned after GAEA and WCW ceased their working relationship.

On February 11, 2003 she teamed with Aja Kong to defeat the team of Meiko Satomura and Ayako Hamada for the AAAW Tag Team Championship. They held the title until they were defeated by Chikayo Nagashima and Meiko Satomura on September 23 of that year.

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.