Editing Ayumi Hamasaki (section)

=== 2021–2022: ''A Ballads 2'' ===
Hamasaki released the compilation album ''A Ballads 2'', which peaked at number three in the Oricon top ten, and single "[[23rd Monster]]" on April 8, 2021.<ref>{{Cite web |title=Oricon Chart Ranking |work=ORICON NEWS |url=https://www.oricon.co.jp/rank/dis/d/2021-04-08/}}</ref>

In June 2021, Hamasaki held ''[[Team Ayu#Music for Life: Return (2021)|Music for Life: Return]]'', which used some of the concept and setlist initially planned for the canceled ''Countdown Live 2020 – 2021: Music For Life'' concert. ''[[Team Ayu#Summer TA Party (2021)|Summer Party 2021]]'' was held on August 23.<ref>{{Cite web |title=浜崎あゆみが豊洲で一夜限りのFC限定イベント「忘れられない夏の思い出を」 |url=https://natalie.mu/music/news/437146 |url-status=live |archive-url=https://web.archive.org/web/20221214140833/https://natalie.mu/music/news/437146 |archive-date=December 14, 2022 |access-date=2022-12-14 |website=音楽ナタリー |language=ja |trans-website=Natalie}}</ref> Hamasaki then embarked on ''Asia Tour 2021–2022 A: 23rd Monster'' from October 2; despite the name, there were no confirmed dates outside of Japan due to COVID-19 restrictions.<ref name=":4">{{Cite web |title=Hamasaki Ayumi adds Aichi concert to Asia tour + to hold countdown live |url=https://www.tokyohive.com/article/2022/10/hamasaki-ayumi-adds-aichi-to-asia-tour-to-hold-countdown-live |url-status=live |archive-url=https://web.archive.org/web/20221214140838/https://www.tokyohive.com/article/2022/10/hamasaki-ayumi-adds-aichi-to-asia-tour-to-hold-countdown-live |archive-date=December 14, 2022 |access-date=2022-12-14 |website=tokyohive}}</ref>

On November 4, it was reported that Hamasaki had fractured her ankle but that her concerts later that week would still be held.<ref>{{Cite web |title=滨崎步在公演结束后失去意识 被紧急送往医院救治--日本频道--人民网 |url=http://japan.people.com.cn/n1/2021/1108/c35421-32276773 |access-date=2024-10-10 |website=japan.people.com.cn}}</ref> On November 6, the artist was found unresponsive after that evening's event, and was hospitalized for [[anaphylactic shock]].<ref>{{Cite web |date=2021-11-07 |title=浜崎あゆみ、体調不良で７日公演中止発表 ６日公演後に救急搬送アナフィラキシーショックの診断 |url=https://hochi.news/articles/20211107-OHT1T51048.html?page=1 |access-date=2024-10-10 |website=スポーツ報知 |language=ja}}</ref> Hamasaki returned to work on November 13 for [[17LIVE|17LIVE 4th Anniversary meets Ayumi Hamasaki]],<ref>{{Cite web |last=INC |first=SANKEI DIGITAL |date=2021-11-13 |title=アナフィラキシーショックで一時意識不明に陥った浜崎あゆみが仕事復帰 |url=https://www.sanspo.com/article/20211113-U73SJFDPPRP2DITJ2B7PPXCU54/ |access-date=2024-10-10 |website=サンスポ |language=ja}}</ref> and later had surgery for her ankle on November 16.<ref>{{Cite web |title=浜崎あゆみ 骨折の右足首手術無事終了＆退院を報告 麻酔が切れた時「人生初の痛さ」 – スポニチ Sponichi Annex 芸能 |url=https://www.sponichi.co.jp/entertainment/news/2021/11/16/kiji/20211107s00041000432000c.html |access-date=2024-10-10 |website=スポニチ Sponichi Annex |language=ja}}</ref> At the end of the year, her ''Countdown Live 2021 – 2022 A: 23rd Monster'' concerts were held in Tokyo along with a livestream on dTV.<ref>{{Cite web |date=January 2, 2022 |title=浜崎あゆみ、"聖地"代々木で2年ぶりカウントダウンライブ ファン歓喜「セトリが神すぎた」 |url=https://www.oricon.co.jp/news/2219946/full/ |url-status=live |archive-url=https://web.archive.org/web/20221214140830/https://www.oricon.co.jp/news/2219946/full/ |archive-date=December 14, 2022 |access-date=2022-12-14 |website=ORICON NEWS}}</ref>

Hamasaki held an anniversary concert titled ''Asia Tour: 24th Anniversary Special'' on April 6, 2022,<ref name="thefirsttimes.jp">{{Cite web |title=浜崎あゆみ、ぴあアリーナMMで開催された24周年アニバーサリーライブ完全レポートが到着 |url=https://www.thefirsttimes.jp/news/0000104659/ |url-status=live |archive-url=https://web.archive.org/web/20230112160353/https://www.thefirsttimes.jp/news/0000104659/ |archive-date=January 12, 2023 |access-date=2023-01-12 |website=THE FIRST TIMES |language=ja}}</ref> and toured July through August for ''[[Team Ayu|Summer TA Party 2022]]''.<ref>{{cite tweet |number=1542387770723016704 |user=ayu_19980408 |title=TA限定「Summer TA Party 2022」🌴 大阪公演開催決定‼️ 【会場/日程】 Zepp Namba (OSAKA) 8/8(月) 18:00/19:00 8/9(火) 18:00/19:00 🎫最速先行受付7/8(金)〜 今からのFC入会でも申込み可能😉 #teamayu への入会は👉 →https://t.co/H1Oh5Yjkpe #SummerTAParty #サマパアゲイン |first=Ayumi |last=Hamasaki |author-link=Ayumi Hamasaki |date=June 30, 2022 |access-date=January 15, 2023 |language=ja |archive-url=https://web.archive.org/web/20221214140838/https://twitter.com/ayu_19980408/status/1542387770723016704 |archive-date=December 14, 2022 |url-status=live |trans-title=TA limited "Summer TA Party 2022" 🌴 Osaka performance will be held!! ️ [Venue/Schedule] Zepp Namba (OSAKA) 8/8 (Mon) 18:00/19:00 8/9 (Tue) 18:00/19:00 🎫Fastest advance reception 7/8 (Fri) ~ From now You can apply even if you join the FC 😉 Join #teamayu 👉 → #SummerTAParty #Samapaagain}}</ref> After announcing that work had begun on an upcoming studio album, singles "[[Nonfiction (song)|Nonfiction]]", "[[Summer Again]]", and "[[Mask (Ayumi Hamasaki song)|Mask]]" were released, each debuting in the top five of the Oricon Daily Digital Singles Chart.

The final show for ''Asia Tour 2021–2022 A: 23rd Monster'' took place on December 10, 2022, in [[Nagoya]].<ref name=":4" /> ''Countdown Live 2022–2023: Remember You'' was held on December 30 and 31 at Yoyogi National Stadium.<ref>{{Cite web |title=ayumi hamasaki COUNTDOWN LIVE 2022–2023 A ～Remember you～LIVE {{!}} ayumi hamasaki（浜崎あゆみ） official website |url=https://avex.jp/ayu/ |url-status=live |archive-url=https://web.archive.org/web/20191010215405/https://avex.jp/ayu/ |archive-date=October 10, 2019 |access-date=2022-12-08 |website=ayumi hamasaki COUNTDOWN LIVE 2022–2023 A ～Remember you～LIVE {{!}} ayumi hamasaki（浜崎あゆみ） official website |language=ja}}</ref> It marked the singer's twentieth new year concert ahead of her 25th anniversary since debut.