From 2006 to 2013, Hayashishita was featured in a reality show that documented her 12-person family. Hayashishita reportedly first got interested in professional wrestling during her days in her third year of junior high school after watchingTajiri with her family when he was atWWE. After graduating high school, she would take auditions in theStardom dojo while also paying school expenses for her sisters by working in a restaurant. Utami holds a black belt degree injudo.[3]
At Stardom's 9th Anniversary show on January 19, 2020, Hayashishita unsuccessfully challengedArisa Hoshiki for the Wonder of Stardom Championship.[18] On January 26, Hayashishita lost the SWA World Championship toJamie Hayter.[19] On February 8, Hayashishita, Momo Watanabe and AZM lost the Artist of Stardom Championship toDonna del Mondo (Giulia,Maika andSyuri).[20] On February 16, Hayashishita successfully defended the Future of Stardom Championship againstSaya Kamitani, then vacated the championship to focus on pursuing the Wonder of Stardom andWorld of Stardom championships.[21] On March 3, Hayashishita and Momo Watanabe unsuccessfully challenged Oedo Tai (Jamie Hayter and Bea Priestley) for the Goddesses of Stardom Championship.[22] AtCinderella Summer in Tokyo on July 26, Hayashishita and Saya Kamitani won the vacant Goddesses of Stardom Championship.[23] On September 19, Hayashishita won the2020 5Star Grand Prix after defeatingHimeka in the finals.[24] AtSendai Cinderella on November 15, Hayashishita won the World of Stardom Championship by defeating Mayu Iwatani.[25] Hayashishita had her first successful title defense on December 20 atOsaka Dream Cinderella against fellow Queen's Quest member Momo Watanabe.[26] On December 26, Hayashishita and Saya Kamitani lost the Goddesses of Stardom Championship to Konami and Bea Priestley, ending their reign at 153 days.[27]
One of Hayashishita's ring gears on display at Stardom's pop-up store in Tokyo in November 2021
AtAll Star Dream Cinderella on March 3, 2021, she successfully defended theWorld of Stardom Championship against her Queen's Quest stablemate Saya Kamitani.[28] A month later atYokohama Dream Cinderella on April 4, Hayashishita successfully defended the World of Stardom Championship against Bea Priestley in the latter's final Stardom match.[29] On the first night of the2021 Cinderella Tournament on April 10, she defeatedMina Shirakawa in a first-round match.[30] On the second night on May 14, she fell short to Syuri in a second-round match.[31] On the third night on June 12, Hayashishita successfully defended the World of Stardom Championship against Syuri two times after both competitors requested the restart of the match after it went into a 30-minute time-limit draw. This was sanctioned as only one valid defense for Hayashishita. The first match between Hayashishita and Syuri received a 5.5 stars rating fromDave Meltzer, making it thehighest-rated match in the history ofwomen's professional wrestling up to that date.[32] AtYokohama Dream Cinderella 2021 in Summer on July 4, Hayashishita successfully defended the World of Stardom Championship against Natsuko Tora viadoctor stoppage after Tora suffered a legitimate knee injury during the match.[33] Hayashishita competed in the2021 5Star Grand Prix between July 31 and September 25. She was placed in the Blue Stars Block, where she failed to reach the finals after scoring a total of 10 points.[34] AtStardom 10th Anniversary Grand Final Osaka Dream Cinderella on October 9, she successfully defended the World of Stardom Championship againstTakumi Iroha who competed as a guest fromMarvelous That's Women Pro Wrestling.[35] AtKawasaki Super Wars on November 3, Hayashishita defended the World of Stardom Championship against a returning Hazuki.[36] AtTokyo Super Wars on November 27, she defended the title again successfully against Maika.[37] AtStardom Dream Queendom on December 29, Hayashishita lost the World of Stardom Championship to Syuri in awinner-takes-all match also for the SWA World Championship, ending her reign at 409 days.[38]
At the 2021 Stardom Awards show on January 3, 2022, Hayashishita, AZM, and Saya Kamitani engaged in a brawl with Oedo Tai after their match againstFukigen Death, Saki Kashima and Ruaka. The three members of Queen's Quest were outnumbered, but they received help fromLady C, who rushed down to the ring to try to save them. After Oedo Tai retreated, Hayashishita offered Lady C a spot in Queen's Quest, to which the Lady C accepted.[40] AtNagoya Supreme Fight on January 29, Hayashishita and AZM fell short to Momo Watanabe and Starlight Kid.[41] AtCinderella Journey on February 23, she teamed up with Lady C in a losing effort against Starlight Kid and Ruaka.[42] AtNew Blood 1 on March 11, Hayashishita defeated the debutingMiyu Amasaki. Despite the latter's loss, Hayashishita was so impressed by Amasaki's performance that Hayashishita offered her a spot in Queen's Quest, which Amasaki accepted.[43] On the first night of theWorld Climax 2022 on March 26, Hayashishita unsuccessfully challenged Saya Kamitani for theWonder of Stardom Championship.[44] Hayashishita participated in theCinderella Tournament 2022, in which she was eliminated in the first round on April 3 after wrestlingTam Nakano to a time-limit draw.[45]
On May 15, 2022, afive-way match between Hayashishita, Lady C, AZM, Saya Kamitani andHina took place to determine the new leader of Queen's Quest, to end a nearly six month period without an elected leader. Hayashishita won the match, therefore becoming the fourth leader of Queen's Quest.[46] AtFight in the Top on June 26, Hayashishita, AZM and Saya Kamitani lost toStars (Mayu Iwatani,Koguma andHazuki) in one of Stardom's first eversteel cage matches.[47] AtStardom in Showcase vol.2 on September 25, 2022, Hayashishita teamed up with Lady C andSyuri as the Rossy Ogawa Bodyguard Army in a losing effort against Grim Reaper Army (Yuu,Nanae Takahashi andYuna Manase).[48]
AtMid Summer Champions 2023 on July 2, 2023, Hayashishita announced that she would be taking a break from her Queen's Quest leadership duties to go on an excursion in theUnited States in order to reevaluate herself.[49] Hayashishita returned on the first night of the2023 5 Star Grand Prix on July 23.[50] In September, Hayashishita suffered a cervical hernia, which caused her to withdraw from the 5Star Grand Prix and go on a hiatus.[51] Hayashishita gained weight and made her return on November 28 alongside herAphrOditE teammate, Saya Kamitani, who had also been out due to an injury.[52] AtNagoya Big Winter on December 2, AphrOditE won the vacantGoddesses of Stardom Championship by defeating Divine Kingdom.[53]
On March 21, 2024, Stardom announced that Hayashishita,Giulia,Mai Sakurai,MIRAI and Yuzuki would be leaving the promotion once their contracts expire on March 31, 2024.[citation needed] On March 30, AphroditE lost the Goddesses of Stardom Championship to Crazy Star.[54]
In July 2023, Hayashishita went on an excursion through theUnited States independent circuit. AtGCW Clean Up Man on July 8, Hayashishita defeatedBillie Starkz.[57] On July 9, Hayashishita participated in a match for Jersey Championship Wrestling, in which she defeated Janai Kai.[58] In the final match of her independent circuit excursion, Hayashishita defeatedLuFisto at GCW Now and Forever on July 14.[59]
On April 15, 2024, former Stardom executive producerRossy Ogawa held a press conference to announce his new promotionDream Star Fighting Marigold, with Hayashishita being one of the initial roster members.[61] On May 20, 2024, at Marigold's debut eventMarigold Fields Forever, Hayashishita performed in a tag-team match alongside Giulia in a losing effort againstSareee andBozilla.[62] On July 13, atSummer Destiny facedWWE'sIyo Sky as former leaders of Stardom'sQueen's Quest,[63] however, was unsuccessful.[64]
^Pollock, John (January 3, 2022)."STARDOM 2021 award winners".postwrestling.com.Archived from the original on January 3, 2022. RetrievedJanuary 4, 2022.