Following a series of troubling tweets addressing online bullying directed at her from Terrace House viewers, she was found dead in her apartment in Tokyo on May 23, 2020.

[8] Prior to her professional wrestling career, Kimura won the DDT Ironman Heavymetalweight Championship one time on August 21, 2005, at a live event in Tokyo, then lost the title to her mother Kyoko.

On September 18, 2016, Kimura captured her first title, the JWP Junior Championship, by defeating Yako Fujigasaki in a tournament final.

[17] At Mask Fiesta 2018 on October 28, Kimura, under the ring name Hanita, teamed up with La Maestra in a loss to Candy Skull and Marty Scurll.

[20] On April 6, Kimura, along with Stella Grey and Sumie Sakai wrestled Jenny Rose and Oedo Tai (Kagetsu and Hazuki) in a dark match at Ring of Honor and New Japan Pro-Wrestling's G1 Supercard.

[22][23] On May 16, Kimura, along with her stablemates Jungle Kyona and Konami won the Artist of Stardom Championship after defeating Mayu Iwatani, Saki Kashima, and Tam Nakano.

[26] Kimura had her final match on March 24 at Stardom's Cinderella Tournament 2020, wrestling Mayu Iwatani in the first round to a draw.

[28] Kimura joined the reality television series Terrace House: Tokyo 2019–2020 in September 2019, appearing on the show until her death.

[29] One episode filmed in early January 2020 showed Kimura involved in a verbal conflict with her housemate, Kai Edward Kobayashi, for damaging her wrestling attire.

After the episode aired in March 2020, her actions drew criticism, name calling and racist abuse from social media users, sending her into depression.

[30][26][31][32] The release of new Terrace House episodes was suspended as a result of Kimura's death,[33][7] and Fuji TV later cancelled the season.

[52][53] The man, who resides in Osaka Prefecture, admitted to the allegations and was quoted by the police as saying he "couldn't forgive Kimura's attitude on the program.

Metropolitan Police Department said the second man, from Fukui Prefecture, admitted to the allegations during voluntary questioning, with investigative sources quoting him as saying, "Many hateful messages had been posted, and I followed suit.

"[57] On January 22, 2021, Kyoko Kimura filed a lawsuit with the Tokyo District Court seeking damages of around 2.94 million yen (US$27,000) against a third man for causing emotional distress to her family.

[63] At NXT TakeOver: In Your House on June 7, Dakota Kai sported pink hair that she confirmed was dyed as a tribute to Kimura.

[65] Kimura's fellow Terrace House cast member Peppe drew her in the third volume of his manga series Mingo, which was released on July 10.