With a sports background in karate, specifically in the Kyokushin kaikan style, Hotta was trained in professional wrestling at the All Japan Women's Pro-Wrestling (AJW) dojo.

[5] She won her first title on April 15, 1987,[3] when she and Hisako Uno defeated Judy Martin and Leilani Kai to win the vacant WWWA World Tag Team Championship.

[3][6] On September 5, 1993, Hotta and Takako Inoue defeated Akira Hokuto, the former Hisako Uno, and Suzuka Minami to win the vacant UWA World Women's Tag Team Championship, which they would hold for the next seven months.

[8] Having established herself in legit competition, Hotta was on August 20, 1997, booked to defeat Kyoko Inoue at the Nippon Budokan for the WWWA World Single Championship.

She made her debut for Ice Ribbon on February 2, 2007, wrestling Hikari Minami to a draw,[15] for NEO Japan Ladies Pro Wrestling on April 2, teaming with Misae Genki to defeat Etsuko Mita and Yoshiko Tamura in a tag team main event,[16] and on October 21, 2007, entered Oz Academy's tournament to determine the number one contender to the promotion's Openweight Championship,[17] from which she was eliminated in the second round on November 23 by Carlos Amano.

[19] On July 21, 2008, Hotta made an appearance for JWP Joshi Puroresu, when she and Manami Toyota entered a tournament to determine the inaugural Daily Sports Women's Tag Team Champions, defeating Chikayo Nagashima and Sonoko Kato in their first round match.

[23] On January 25, 2009, Hotta and Keito defeated Uematsu☆Ran (Ran Yu-Yu and Toshie Uematsu) to win the Daily Sports Women's and JWP Tag Team Championships.

After several small pre-events,[29] the promotion held its first official event on May 8, where Hotta and Manami Toyota defeated Hailey Hatred and Zeuxis in a tag team match.

[32] During the third event on May 28, Hotta announced that she had injured the meniscus in her knee and would undergo surgery the following month, forcing her to take a break from in-ring action.

[34] This led to a match on August 27 at Reina 11, where Hotta, Aki Kanbayashi and Saya were defeated by Shimoda, La Comandante and Dama de Hierro.

Hotta won the match via submission, forcing her rival to have her head shaved, but afterwards surprisingly announced that Reina was folding effective immediately.

[47][48] On May 22, 2012, Hotta, along with fellow Reina alumni Saya and Shuri Okuda, made a surprise appearance for the World Woman Pro-Wrestling Diana promotion, interrupting a main event battle royal by attacking Kaoru Ito and Sareee.

[54][55] On October 28, Bousou-gun received its fifth member, when Mask de Sun turned on Kaoru Ito and Diana founder Kyoko Inoue in a six-woman tag team main event, helping Hotta, Aono and Yuiga win the match.

[56][57] On December 31, Hotta returned to Ice Ribbon to take part in RibbonMania 2012, where she wrestled Hamuko Hoshi to a fifteen-minute time limit draw.

[70] Hotta and Aono made their first successful title defense on June 16 against WWWD World Single Champion Kyoko Inoue and Sareee.

[78][79][80] On December 15, Hotta and Aono lost the WWWD World Tag Team Championship to Kyoko Inoue and Tomoko Watanabe in their third title defense.

Post-match, Kaoru made her Diana debut, forming a new stable with Mima Shimoda and Takako Inoue and turning the rivalry between Bousou-gun and Seikigun into a three-way war.

[84][85] On June 29, Hotta and La Comandante defeated Aki Shizuku and Ariya to win the Reina World Tag Team Championship.

However, immediately afterwards, Hotta gave up the title in favor of joining Jaguar Yokota's new Crysis stable, which also included Jenny Rose and male wrestlers "brother" Yasshi and Taru.

[93] On July 11, 2016, Hotta was announced as the head of the women's wrestling department of Atsushi Onita's new Fire Puroresu promotion, which would hold its first show on August 26.

[97] In 1994, Hotta began practising mixed martial arts and qualified for the Ultimate L-1 Tournament, held by joshi puroresu promotion Ladies Legend Pro-Wrestling (LLPW) on July 18, 1995.

[2][98][99][100] On December 22, 2016, it was announced that Hotta would replace an injured Shinobu Kandori and take on Gabi Garcia at Rizin Fighting Federation's New Year's Eve show.