Yoneyama made herprofessional wrestling debut for theJWP Joshi Puroresupromotion on November 29, 1999, in a match againstKayoko Haruyama, during which she suffered an eye injury, which forced her to take an early break from her new career.[8][21] After making her return in early 2000, Yoneyama continued wrestling for JWP, but also made appearances in promotions such asAll Japan Women's Pro-Wrestling (AJW),Big Japan Pro Wrestling (BJW),Hyper Visual Fighting Arsion,JDStar,International Wrestling Association of Japan, Ladies Legend Pro Wrestling (LLPW) and NEO Japan Ladies Pro Wrestling.[8][21] Yoneyama won her first professional wrestling championship on July 6, 2002, when she defeated Erika Watanabe for theJWP Junior Championship.[22] On July 20, Yoneyama and Kayoko Haruyama defeated Mika Nishio and Miyuki Fujii for theAJW Tag Team Championship,[23] which was followed by Yoneyama defeating Fujii in a singles match on November 29 to win theAJW Championship.[24] On January 2, 2003, Yoneyama won yet another title by defeating Princesa Sandy for the BJW Women's Championship.[25] Her AJW Championship reign ended two days later, when she was defeated by Mika Nishio, and a month later she and Haruyama were stripped of the AJW Tag Team Championship.[23][24]
On January 25, 2004, Yoneyama and Haruyama defeatedEtsuko Mita and Misae Genki in a tournament final to win theJWP Tag Team Championship.[26] On August 15, Yoneyama ended her two-year reign with the JWP Junior Championship byvacating the title.[22] On December 12, Yoneyama and Haruyama lost the JWP Tag Team Championship toAkino andTsubasa Kuragaki.[26] Yoneyama would regain the title from Akino and Kuragaki on May 15, 2005, this time teaming withToujyuki Leon.[26] On August 7, Yoneyama defeated Tanny Mouse to become the 199thDramatic Dream Team (DDT)Ironman Heavymetalweight Champion, but immediately afterwards vacated the title and entered abattle royal to determine the 200th champion. In the match, Mouse would regain the title.[27] After a fifteen-month reign, Yoneyama and Leon lost the JWP Tag Team Championship toRan Yu-Yu andToshie Uematsu on August 6, 2006.[28] While still maintaining JWP as her home promotion, in September 2006, Yoneyama began working regularly for her friendEmi Sakura's newIce Ribbon promotion.[29] Yoneyama ended the year by winning the Daily Sports Christmas Cup.[30] On February 28, 2007, Yoneyama and Toshie Uematsu won a one night tournament to become the number one contenders to the JWP Tag Team Championship.[31] However, they would fail to capture the championship in their title match against Kazuki and Sachie Abe on March 21.[32] In late 2007, Yoneyama beganfeuding withJWP Openweight Champion Azumi Hyuga, which led to a title match between the two on December 9, where Hyuga retained her title.[33] In January 2009, Yoneyama debuted a new character, Yoneyamakao Lee, aChinese wrestler supposedly signed to the nonexistent New Beijing Pro Wrestling (NBPW) promotion. The character mainly made appearances for DDT, the inventors of the NBPW concept.[17] On July 19, Yoneyama and Emi Sakura defeatedCommand Bolshoi and Megumi Yabushita for the JWP Tag Team andDaily Sports Women's Tag Team Championships.[34] On August 2, Yoneyama defeatedPro Wrestling Wave representativeYumi Ohka in the finals to win the2009 Natsu Onna Kettei Tournament.[35] On September 20, Yoneyama made an appearance for NEO Japan Ladies Pro Wrestling, defeatingNatsuki☆Taiyo for theNEO High Speed Championship.[36] The following day, Yoneyama and Sakura won another championship by defeating Minori Makiba andNanae Takahashi for Ice Ribbon'sInternational Ribbon Tag Team Championship, meaning that, for the second time in her career, Yoneyama was now holding four different championships simultaneously.[37] Yoneyama's and Sakura's three reigns ended on December 13, when they lost all of their tag team titles to Azumi Hyuga and Ran Yu-Yu.[38]
Yoneyama in June 2010
On July 4, 2010, Yoneyama defeated Kayoko Haruyama in a tournament final to become the number one contender to the JWP Openweight Championship.[39] On July 18, Yoneyama defeated Nanae Takahashi to win the JWP Openweight Championship for the first time.[40][41] Afterwards, Yoneyama announced that start of the "Yoneyama Revolution", during which she offered to defend the Openweight Championship against any wrestler from any promotion.[42] On July 24, Yoneyama entered the2010 Natsu Onna Kettei Tag Tournament, teaming with JWP founder and promoter Command Bolshoi, with the two defeating Kayoko Haruyama and Tanny Mouse in their first round match.[43] On August 15, Yoneyama and Bolshoi first defeatedDynamite Kansai and Tsubasa Kuragaki in the semifinals and then Kagetsu and Leon in the finals to win the Natsu Onna Kettei Tag Tournament.[44] On September 19, Yoneyama defeated former partner Emi Sakura in aJWP Openweight Championship vs. Hair match; as a result, Sakura was shaved bald.[45] On October 10, Yoneyama faced AmericanHailey Hatred in a match, where she put her JWP Openweight Championship and Hatred her Absolute Intense Wrestling (AIW) Women's and Totally Lethal Wrestling (TLW) World Women's Championships on the line. After the first match ended in a double knockout, Yoneyama and Hatred wrestled another match, which also ended in a double knockout, meaning that both champions kept their titles.[46] On November 22, Yoneyama made her debut forSmash atSmash.10, where she teamed with Emi Sakura in a tag team match, where they were defeated byKana andSyuri. After the match, Yoneyama offered to defend the JWP Openweight Championship against Syuri.[47] On November 30, Yoneyama and Hailey Hatred, known collectively as "Queens Revolution",[48] defeatedCherry Bomb andSexy Star at aJoshi 4 Hope event to become the inaugural TLW World Women's Tag Team Champions.[49] Yoneyama returned to Smash on December 11 atSmash.11, where she teamed with Command Bolshoi to defeat Syuri andNagisa Nozaki in a tag team match.[50] On December 24 atHappening Eve, Yoneyama defeated Syuri in the main event to retain the JWP Openweight Championship.[51] In January 2011, Yoneyama brought back the Yoneyamakao Lee character and, under it, began making regular appearances for Ice Ribbon.[52] The following month, Yoneyamakao formed a tag team withHikari Minami, which eventually led to the two unsuccessfully challenging Emi Sakura andRay for the International Ribbon Tag Team Championship two months later.[53][54] Back in JWP, Yoneyama and Hatred joined forces withKyoko Kimura and Sayaka Obihiro to form astable named Yoneyama Kakumei-gun ("Yoneyama Revolutionary Army").[55][56] On April 3, Yoneyama lost the JWP Openweight Championship to Leon in a match, which was also contested for the NEO High Speed Championship.[57] Yoneyama's reign lasted 258 days and included record-setting ten successful title defenses, all against JWP outsiders as part of the "Yoneyama Revolution".[57][58] Afterwards, Yoneyama was sidelined for two months with amandible fracture.[59]
On July 10, Yoneyama announced after a match that she was going to retire from professional wrestling at the end of the year.[60][61] The announcement led to Yoneyama unsuccessfully challenging Hailey Hatred for the JWP Openweight, TLW World Women's and IMW Hybrid Fighting Championships on August 7.[62] Yoneyama's retirement tour saw her make appearances for promotions such as Universal Woman's Pro Wrestling Reina,[63] Pro Wrestling Wave,[64]Oz Academy,[65]Sendai Girls' Pro Wrestling,[66] and Freedoms.[67] On November 13, Yoneyama and Hatred put their TLW World Women's Tag Team Championship on the line against JWP Tag Team and Daily Sports Women's Tag Team Champions Kayoko Haruyama and Tsubasa Kuragaki. Yoneyama and Hatred went on to win the match to becomeTriple Crown Tag Team Champions.[68] Yoneyama's retirement tour also led her to make her American debut, when she took part inChikara'sJoshiMania weekend as a last minute replacement for an injured Command Bolshoi.[69][70] On December 2 inPhiladelphia, Pennsylvania, Yoneyama teamed with Hanako Nakamori and Tsubasa Kuragaki to defeatArchibald Peck, El Hijo del Ice Cream and Ice Cream Jr. in an intergender six-person tag team match.[71] The following day inEverett, Massachusetts, Yoneyama defeated Nakamori in a singles match.[72] On the third and final night of the tour inManhattan, New York, Yoneyama was defeated byMayumi Ozaki in a singles match.[73] On December 14, Yoneyama wrestled her Ice Ribbon farewell match, where she wrestledHiroyo Matsumoto to a ten-minute time limit draw.[74] On December 23, Yoneyama was defeated by Kayoko Haruyama in her retirement match.[75] However, during the post-match ceremony, Yoneyama interrupted a ten bell salute to her career and announced that she had changed her mind and did not want to retire after all.[75] The surprise turn led to JWP offering a refund to anyone who attended the show, announcing that in the future wrestlers would have to sign contracts to make sure they do retire after their retirement matches and finally stripping Queens Revolution of all three of their tag team championships.[76][77][78] JWP also refunded tickets for all events from Yoneyama's retirement announcement to her supposed retirement match.[79] Yoneyama later apologized for betraying the trust of her fans and co-workers and claimed that she had come to the decision to retire after her mandible fracture, feeling that, with her recent lengthy JWP Openweight Championship reign, she had done all she could in JWP and did not want to continue risking her health. However, gradually she started to have a change of heart brought on especially by her trip to the United States.[76][80] Yoneyama continued wrestling for JWP on January 9 at the promotion's first event of 2012.[81]
Yoneyama in September 2012
On April 22, Yoneyama faced Emi Sakura in a special singles match, where the loser would have to join the winner's promotion. Sakura won the match and, as a result, Yoneyama was forced to join her newThailand-based Gatoh Move Pro Wrestling promotion.[82] On May 4, Yoneyama and Sakura defeated Command Bolshoi and Rabbit Miu to win the vacant JWP Tag Team and Daily Sports Women's Tag Team Championships, taking the belts with them to Thailand three days later.[83][84] Upon joining Gatoh Move, Yoneyama, along with male wrestlerMadoka, began helping Sakura train wrestlers for the promotion.[85] Yoneyama and Sakura, now known collectively as the "Tai-Pan Sisters",[86] returned to JWP on June 17 to make their first successful defense of the JWP Tag Team and Daily Sports Women's Tag Team Championships against the team ofArisa Nakajima andManami Katsu.[87] Yoneyama and Sakura made their second successful defense on July 15 against the team of Kazuki and Morii,[88] after which they changed their team name from the Tai-Pan Sisters to "Reset".[89] On August 19, Reset lost the titles to Arisa Nakajima and Command Bolshoi in their third title defense.[90] On September 9, Yoneyama and Sakura defeated Hanako Nakamori and Morii in a tag team match, after which the two agreed to join Reset to form the "Heart Move Kei Reform" (HMK) stable.[91][92][93][94] On September 14, Yoneyama returned to the United States and Chikara as she, Command Bolshoi and Tsubasa Kuragaki entered the2012 King of Trios inEaston, Pennsylvania, as Team JWP, defeating The Throwbacks (Dasher Hatfield,Mark Angelosetti andMatt Classic) in their opening match of the tournament.[95][96][97] The following day, Team JWP was eliminated from the tournament in the quarter-finals, after losing to F.I.S.T. (Chuck Taylor,Icarus andJohnny Gargano).[96][98][99][100] On the third and final day of the tournament, Yoneyama teamed withManami Toyota in a tag team match, where they were defeated by Bolshoi and Kuragaki.[96][101][102] Back in JWP, the first big match between HMK and the JWP Seikigun ("regular army") took place on October 7, when Yoneyama, Sakura, Nakamori and Morii defeated Arisa Nakajima, Command Bolshoi, Kayoko Haruyama and Manami Katsu 3–0 in an eight-woman captain's fall elimination tag team main event, with Yoneyama scoring the deciding pinfall over the JWP Openweight Champion Haruyama.[103] Afterwards, Yoneyama was named the number one contender to Haruyama's title.[104] On October 21, Yoneyama failed in her title challenge against Haruyama.[105] On November 10, Yoneyama made a special appearance for Pro-Wrestling: EVE inSudbury, Suffolk,England, teaming with April Davids in a tag team tournament. After defeatingThe Blossom Twins (Hannah and Holly) in their first round match, Yoneyama and Davids were defeated in the finals of the tournament by Bete Noire andViper.[106] On December 24 at JWP's year-end event, Yoneyama was defeated by Command Bolshoi in a singles grudge match.[107] After the match, the two seemingly buried their hatchet.[108] On January 6 at JWP's first event of 2013, Yoneyama and Morii were defeated in a tag team match by Kazuki and Sachie Abe, with Kazuki pinning Yoneyama for the win. Following the match, Yoneyama thanked the fans in attendance for their support during the past thirteen years and announced that she was resigning from the promotion.[109] She, however, announced that she reveal the actual date of her resignation at a later date.[110] JWP confirmed the upcoming resignation the following day.[111] On January 13, Yoneyama teamed with Sareee in a tag team match, where they were defeated by Arisa Nakajima and Kay Lee Ray. Following the match, Yoneyama announced that she would be wrestling her final JWP match on January 27.[112] On January 27, 2013, Yoneyama wrestled her JWP farewell match, a six-woman tag team match, where she, Hanako Nakamori and Morii were defeated by Arisa Nakajima, Command Bolshoi and Kana, with Nakajima pinning her for the win.[113][114] Following the event, Yoneyama announced that in the future, she would be working as afreelancer.[115]
On February 13, 2013, Yoneyama earned the right to name and designUnion Pro Wrestling's women's title by pinning Cherry in a tag team match, where she andMasako Takanashi defeated Cherry andMio Shirai.[116][117] Despite her big sendoff from JWP, Yoneyama continued making appearances for the promotion as a freelancer, making her first appearance just three weeks after her farewell match on February 17, when she teamed with Leon to defeat Hanako Nakamori and Morii in a tag team match.[118][119] On March 10, Yoneyama defeatedCherry to become the inauguralUnion Fly to Everywhere World Champion.[120] Yoneyama made her first successful defense of the title on April 5 againstNazo Fukumen B.[121] On May 3, Yoneyama lost the Fly to Everywhere World Championship to Cherry in a three-way elimination match, which also included Nazo Fukumen B.[122][123] On September 16, Yoneyama produced her own independent event, which saw her team with Emi Sakura in a main event tag team match, where they defeated Hiroyo Matsumoto and "Kotori".[124] On April 27, 2015, Yoneyama made her debut for the newly revivedFMW promotion, teaming with Kagetsu in a tag team match, where they were defeated by Miss Mongol and Ray.[125][126] On December 13, Yoneyama and Tsubasa Kuragaki defeated Kagetsu and Kaho Kobayashi to win theOz Academy Tag Team Championship.[127] On December 22, Yoneyama defeated DJ Nira at Gatoh Move's year-end show to win theIWA Triple Crown Championship.[128] She lost the title toRiho on June 22, 2016.[129] On September 11, Yoneyama and Kuragaki lost the Oz Academy Tag Team Championship toHikaru Shida and Syuri.[130] On July 2, 2017, Yoneyama and Cherry defeated Yuki Miyazaki and Yumi Ohka to win theWave Tag Team Championship.[131] They lost the title to Hiroe Nagahama and Kaho Kobayashi in their first defense on August 12.[132] In October, Yoneyama returned to the United States to workShimmer Women Athletes' October 18 and 19 tapings. On the first day, she teamed with Akino and Tsukasa Fujimoto to defeat Kellie Skater,Mia Yim andTomoka Nakagawa onVolume 67, before teaming with Fujimoto onVolume 68 to unsuccessfully challenge Skater and Nakagawa for theShimmer Tag Team Championship.[133] The following day, Yoneyama and Fujimoto defeatedNevaeh andSassy Stephie onVolume 69, before Yoneyama ended her weekend by losing toNikki Storm onVolume 70.[134]
Yoneyama (the third from the right of the upper row) at Stardom's Anniversary Show in April 2014.
On February 3, 2013, Yoneyama made a surprise appearance for theWorld Wonder Ring Stardom promotion, affiliating herself with Nanae Takahashi's Nanae Gundan stable and challenging Natsuki☆Taiyo to a match for theHigh Speed Championship.[135][136] The title match was made official on February 12.[137][138] On March 3, Yoneyama failed to capture the High Speed Championship from Natsuki☆Taiyo, when their title match ended in a thirty-minute time-limit draw.[11][139][140] On April 29, Yoneyama took part in theRyōgoku Cinderella event atRyōgoku Kokugikan, teaming with Hiroyo Matsumoto andSyuri in asix-woman tag team match, where they were defeated byMika Nagano, Nanae Takahashi andTsukasa Fujimoto.[141][142][143] On June 2, Yoneyama defeated Natsuki☆Taiyo in a rematch to win the High Speed Championship for the second time.[144][145] On June 23, Yoneyama,Kairi Hojo andYuhi defeated Kimura Monster-gun (Christina Von Eerie,Hailey Hatred and Kyoko Kimura) in a decision match to win the vacantArtist of Stardom Championship.[144][146][147] On July 7, Yoneyama made her first successful defense of the High Speed Championship againstMayu Iwatani.[144][148] Yoneyama, Hojo and Yuhi made their first successful defense of theArtist of Stardom Championship on August 17 against Kawasaki Katsushika Saikyou Densetsu (Act Yasukawa, Natsuki☆Taiyo andYoshiko).[144][149] From August 25 to September 23, Yoneyama took part in the5★Star Grand Prix tournament of 2013, where she finished with a record of two wins and three losses, failing to qualify for the finals.[150][151] On October 14, Yoneyama, Hojo and Yuhi, now known collectively as "Chibis", made their second successful defense of the Artist of Stardom Championship against Hiroyo Matsumoto, Mayu Iwatani and Miho Wakizawa.[152][153] On October 20, Yoneyama and Yuhi entered the 2013Goddesses of Stardom Tag League, but were eliminated in their first round match by Act Yasukawa and Kyoko Kimura.[152][154] On November 4 at Stardom's 100th event, Chibis lost the Artist of Stardom Championship to the Kimura Monster-gun (Alpha Female, The Female Predator "Amazon" and Kyoko Kimura) in their third title defense.[152][155] In November 2013, Yoneyama and Madoka began producing small independent events under the name YMZ (Yoneyamadoka da ze).[156][157] On December 23, Yoneyama made her second successful defense of the High Speed Championship against Yuhi.[152] Six days later, Yoneyama lost the title back to Natsuki☆Taiyo in her third defense.[152]
A rematch between the two took place on February 2, 2014, in which Taiyo retained the High Speed title.[158] On February 9, Chibis received a rematch for the Artist of Stardom Championship, but were defeated by the defending champions, Tawashis (Hiroyo Matsumoto, Mayu Iwatani and Miho Wakizawa).[159][160] Yoneyama attempted to regain the title from Tawashis with new partners, but failed alongside Hatsuhinode Kamen andKellie Skater on March 16 and Kamen and Sayaka Obihiro on June 1.[159][161][162][163] On April 29, Yoneyama was defeated by Natsuki☆Taiyo in atwo out of three falls match for the High Speed Championship.[159] On May 3, Yoneyama and Madoka won Gatoh Move's second annual Go Go! Green Curry Khob Khun Cup, a tournament for mixed tag team teams, defeating Emi Sakura and Masa Takanashi in the finals.[164] On August 10, Yoneyama regained the Artist of Stardom Championship from the Tawashis, alongside Hatsuhinode Kamen and the debuting Tsubasa Kuragaki.[165] At Mask Fiesta 2014 on October 26, Yoneyama, performing under the nameYonehinode Kamen, teamed up with Hatsuhinode Kamen in a loss toRisa Sera andTakumi Iroha.[15][166] On December 7, Yoneyama, Kamen and Kuragaki lost the Artist of Stardom Championship toIo Shirai, Mayu Iwatani and Takumi Iroha in their first title defense.[167]
On June 17, 2017, Yoneyama won the Artist of Stardom Championship for the third time, when she, Hiroyo Matsumoto andJungle Kyona defeatedAZM,HZK and Io Shirai for the title.[168][169] On August 13, 2017, Yoneyama, Kyona and Matsumoto lost the Artist of Stardom Championship to HZK, Io Shirai and Viper, also in their first defense.[170][171] At Mask Fiesta 2018 on October 28, 2018, Yoneyama debuted asHappy Pumpkin in a win over Gao.[172]
While being part of theTokyo Cyber Squad stable, Yoneyama adopted the gimmick of "Death Yama-san".
AtStardom Nagoya Supreme Fight on January 29, 2022, Yoneyama competed in the same kind offive-way match, this time competing alongside her Oedo Tai stablemates Ruaka, Saki Kashima and Rina, getting defeated byMomo Kohgo.[187] AtStardom Cinderella Journey on February 23, 2022, she teamed up with Saki Kashima, falling short to Mayu Iwatani and Tam Nakano.[188] On the first night of theStardom World Climax 2022 from March 26, Yoneyama teamed up with Saki Kashima and Ruaka and competed in asix-woman tag teamgauntlet match won by Donna Del Mondo (Himeka, Natsupoi and Mai Sakurai) and also involving Queen's Quest (AZM, Lady C andMiyu Amasaki) and Cosmic Angels (Waka Tsukiyama & Mina Shirakawa) and Momo Kohgo.[189] AtStardom Cinderella Tournament 2022, she fell short to Koguma in the first rounds of April 3.[190] AtStardom Flashing Champions on May 28, 2022, she unsuccessfully challenged Mayu Iwatani for theSWA World Championship.[191] AtMid Summer Champions in Tokyo, the first event of theStardom Mid Summer Champions series which took place on July 9, 2022, Yoneyama teamed up with Saki Kashima, Ruaka ad Rina to defeat Stars (Mayu Iwatani, Hazuki, Koguma and Saya Iida).[192] AtMid Summer Champions in Nagoya on July 24, she teamed up with Ruaka and fell short to Mayu Iwatani and Momo Kohgo.[193] At theStardom 5 Star Grand Prix 2022, Yoneyama did not compete in either of the blocks but made an appearance on the first night of the tournament from July 30, 2022, where she competed in a tag team gauntlet match.[194] AtStardom in Showcase vol.1, the first event of the non-canon "Showcase" branch of events which took place on September 25, 2022, Yoneyama won an18-woman Nagoya rumble match where she appeared under her old Stars gimmick of "Gokigen Death".[195]