Up Up Girls (2) (アップアップガールズ(2); officially stylized as UP UP GIRLS kakko 2KI or UP UP GIRLS SECOND) is the second generation sister group of Up Up Girls (Kakko Kari).
- 1st Generation (2017)
- 2nd Generation (2018)
- 3rd Generation (2019)
- 1st Generation (2017)
On November 8, Up Up Girls (Kakko Kari) announced that auditions were open for their second generation, Up Up Girls (2), which would be acting as its own group.
On February 25, Takahagi Chinatsu, Yoshikawa Mayu, Kajishima Aya, and Hashimura Riko passed the new members audition. On March 19, 2017, it was revealed through a YouTube video that an additional member, Nakaoki Rin, would also be joining the group. These five members would be the founding members of Up Up Girls (2).
On August 15, Up Up Girls (2) had their indies debut with their first single, Sun!×3 / Ni no Ashi Dancing.
On December 22, during Up Up Girls (2)'s First 7nin no Christmas event, it was announced that there would be new member auditions for Up Up Girls (2). The winners of the audition performed with the group for the first time on March 23, 2019 during a live performance at Mynavi BLITZ Akasaka. The debut single for these new members were be released on April 2, 2019, and it was revealed to be a double A-side single produced by Tsunku.
On February 2, Up Up Girls (2) opened up the Niki Channel on YouTube, which they use for dance covers, gaming videos, and other vlogs and fun content. Their official Music Videos, live performance footage, and other official content are still posted on the official Up Up Girls (Kakko Kari) YouTube channel.
On March 3, it was announced that Morinaga Niina, Shimazaki Yuria, and Niikura Ami were the winners of Up Up Girls (2)'s new member auditions. The name of their debut single was also revealed to be "We are Winner! / Starting Over".
On April 4, Up Up Girls (2) opened up their official website.
On June 21, it was announced that Up Up Girls (2)'s Hashimura Riko would graduate from the group on July 29, 2019 to become a fashion designer. Their first single without her was also announced to be released in August 2019. On July 12, 2019, the single was announced as "Be lonely together" to be released on August 13, 2019, written and composed by Tsunku.
On July 17, Hashimura Riko, Nakagawa Chihiro, and Up Up Girls (Kakko Kari) member Sekine Azusa released the indie single "Kyou Dake wa Aitakunai yo" as the special unit team・princess. The unit was formed through a survival-like competition called "Up Up Girls (mysta)", in collaboration with the website mysta.tv. This single was Hashimura's last release as a member of Up Up Girls (2) before her graduation.
On March 4, it was announced that the March 8 through March 15 dates of the Up Up Girls (2) Live Tour 2020 Aoharu Shi・te・ru・mo・n would be cancelled in consideration of a new policy established by the government to prevent the spread of the coronavirus. The March 29 and April 4 dates were later cancelled as well.
On March 28, a special performance of the Up Up Girls (2) Live Tour 2020 Aoharu Shi・te・ru・mo・n Haru Mankai was held with no audience, being broadcast live through fanicon instead.
On October 20, they released their first ever quadruple a-side single, "Donomichi Happy! / Ame ni Utaeba / Ai ni Tsuite Kangaeru yo / End Roll". The single was produced and promoted through their crowdfunding project with WIZY.
On February 16, they released their second quadruple a-side single, "Tsuyogari Rairairai / Semete Semete / Paaree~ / Glass no Junjou". The single was produced and promoted through their crowdfunding project with WIZY.
On July 31, it was announced that Aoyagi Yume had been confirmed to be infected with COVID-19. All of the other seven Up Up Girls (Kakko Kari) members, as well as Up Up Girls (2) member Niikura Ami, and three staff members were classified as close contacts by the public health center. Although there is nothing wrong with their physical conditions, they will be refraining from all activities for the time being and will be monitored under the instructions of the public health center and medical institutions.
- Indie Albums
- [2019.11.12] Aoharu 1st (アオハル1st)
- Indie Singles
- [2017.08.15] Sun!×3 / Ni no Ashi Dancing (Sun!×3／二の足Dancing)
- [2018.01.01] Doshaburi no Terrace Seki / Fuyu Tote Tote (どしゃぶりのテラス席／フユトテトテ)
- [2018.05.01] Tte Iu Hatsukoi no Oyakusoku / Happeace LOVE♡ (っていう初恋のお約束 / ハッピースLOVE♡)
- [2018.08.07] Zenbu Seishun! / Angel Enjite 20nen (全部青春！／エンジェル演じて20年)
- [2018.12.25] Kakatte Kinasai / OVER DRIVE (かかって来なさい／OVER DRIVE)
- [2019.04.02] We are Winner! / Starting Over (We are Winner!/スターティングオーバー)
- [2019.08.13] Be lonely together
- [2020.01.07] Sekai de Ichiban Kawaii Idol / Shi・te・ru・mo・n (世界で一番かわいいアイドル/し・て・る・も・ん)
- [2020.10.20] Donomichi Happy! / Ame ni Utaeba / Ai ni Tsuite Kangaeru yo / End Roll (どのみちハッピー!/雨に唄えば/愛について考えるよ/エンドロール)
- [2021.02.16] Tsuyogari Rairairai / Semete Semete / Paaree~ / Glass no Junjou (強がりライライライ / セメテセメテ / ぱーれぇ～ / ガラスの純情)
- Digital Singles
- [2021.07.15] Niki-chan Wonderland (にきちゃんわんだーらんど)
- Collaboration Singles
- [2019.07.16] Kyou Dake wa Aitakunai yo (今日だけは逢いたくないよ) (team・princess)
- Original Songs
-  Hatsukoi Ding Dong (初恋 Ding Dong)
-  Now & Forever
-  Ue e, Mirai e (上へ、未来へ) (with Up Up Girls (Kakko Kari), Up Up Girls (Pro Wres))
Concerts & Events
- [2017.04.06] Apuga (2) AKIBA DE Ohirome (アプガ（2）AKIBA DE お披露目)
- [2017.11.26] AKIBA DE Tandoku!! (AKIBA DE 単独!!)
- [2018.04.21] Up Up Girls (2) 1st LIVE #Apuga 2 Surprise
- [2018.07.14] AKIBA Cultures Gekijou Natsuyasumi Shinjin Kouen Koukai Genepro Kouen A (AKIBAカルチャーズ劇場夏休み新人公演 公開ゲネプロ公演 A)
- [2018.07.26] AKIBA Cultures Gekijou Shinjin Kouen 2018 ~ Manatsu no Cinderella-tachi ~ Up Up Girls (2) (AKIBAカルチャーズ劇場 新人公演2018～真夏のシンデレラたち～ アップアップガールズ(2))
- [2018.09.09~11.17] Up Up Girls (2) First Live Tour #Apuga 2 First (アップアップガールズ（2）ファーストライブツアー #アプガ2ファースト)
- [2018.12.22] Up Up Girls (2) #Apuga 2 First #7nin no Christmas
- [2019.03.23] Up Up Girls (2) #Apuga 2 Second #Starting Over
- [2019.04.30] Up Up Girls (2) Aoi Haru
- [2019.06.02~07.28] Up Up Girls (2) Live Tour 2019 Aoi Haru Atsui Natsu (アップアップガールズ（2） ライブツアー2019 アオイハル アツイナツ)
- [2019.10.24] Up Up Girls (2) Aoharu October (アップアップガールズ（２） アオハル October)
- [2019.11.04] Up Up Girls (2) Aoharu November (アップアップガールズ（２） アオハル November)
- [2019.12.01] Up Up Girls (2) Aoharu December (アップアップガールズ（２）アオハル December)
Up Up Girls Joint Concerts
- [2017.06.06] Furukawa Konatsu Presents Up Up Girls (2) 1nichi Okure no Konatsu Paisen Oiwai Special (古川小夏Presents アップアップガールズ(2)1日遅れの小夏パイセンお祝いスペシャル)
- [2017.10.08] Up Up Girls (Kakko Kari)&(2) Select Mix Team x Band Ja Naimon! Special Two man LIVE in Taiwan (アップアップガールズ(仮)&(2)セレクトMixチーム×バンドじゃないもん!スペシャル ツーマンLIVE in台湾) (with Band Ja Naimon!)
- [2018.07.07] Up Up Girls (Fest) 2018
- [2018.08.19] Up Up Girls (2) & (Pro Wres) Member Taikou Jitsuryoku Shindan Test (アップアップガールズ(２)＆(プロレス) メンバー対抗 実力診断テスト)
- [2019.07.15] Up Up Girls (Fest) 2019
- [2019.10.16] (Z)×(Kakko Kari)×(2)×(Qu) ((Z)×(仮)×(2)×(ク)) (with ZOC, Qumali Depart)
Concerts Featured In
- SATOYAMA & SATOUMI Movement
- [2017.03.26] Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2017
- [2018.03.31~04.01] Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2018
- [2018.10.20~21] SATOYAMA & SATOUMI with Nyaozane Matsuri in Kumagaya
- [2019.03.30~31] Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2019
- The group name "Up Up Girls (2)" is pronounced "Up Up Girls (Kakko Niki)".
- Their highest selling single is "Sekai de Ichiban Kawaii Idol / Shi・te・ru・mo・n" and their lowest selling single is "Tsuyogari Rairairai / Semete Semete / Paaree~ / Glass no Junjou".
- Up Up Girls (2) is the only "Up Up Girls" group in which the members do not have official members colors.
- "中沖凜に関するお知らせ" (in Japanese). Up Up Girls (2) Official Blog. 2018-12-11.
- "アップアップガールズ（２）新メンバーオーディション開催決定！" (in Japanese). Up Up Girls (2) Official Blog. 2018-12-22.
- "【アプガ２】アイドルが勝手にチャンネル初めてみた！" (in Japanese). Niki Channel. 2019-02-02.
- "アプガ(2)、森永新菜、島崎友莉亜、新倉愛海加入決定！ 9人体制で「We are Winner!/スターティングオーバー」リリース" (in Japanese). 2019-03-03.
- "アップアップガールズ（２）公式サイト遂にOPEN！！" (in Japanese). Up Up Girls (2) Official Blog. 2019-04-04.
- "橋村理子に関するお知らせ" (in Japanese). Up Up Girls (2) Official Blog. 2019-06-21.
- 【サプライズ発表有り】アップアップガールズ（２）SHOWROOM 2019年9月7日
- "アップアップガールズ（２）ライブツアーに関するお知らせ" (in Japanese). Up Up Girls (2). 2020-03-04.
- "アップアップガールズ（２）3月29日渋谷公演、4月4日いわき公演開催中止・延期のお知らせ" (in Japanese). YU-M Entertainment. 2020-03-24.
- "3月28日14時30分～アオハルし・て・る・も・ん 春満開 開催決定！" (in Japanese). YU-M Entertainment. 2020-03-26.
- Official Up Up Girls (2) Website
- Official Up Up Girls (2) Blog
- Official Up Up Girls (2) staff Twitter
- Official Up Up Girls (2) Showroom Channel
- Niki YouTube Channel
- YU-M Entertainment Profile
- Wikipedia Article
- Official Fanclub Website
- Official YouTube Channel
- Official staff Twitter
- Official Instagram
- Official Facebook Page
- Official Spotify