HR

 (standing for Hakata Reboot) was an idol group based in Hakata, Fukuoka. They disbanded suddenly on August 5, 2018 due to frequent member withdrawals.

Final Lineup

 * Aizawa Yuina (藍沢唯菜) (Joined August 2017)
 * Yoshikawa Momo (吉川もも) (Joined August 2017)
 * Togami Momoka (砥上百香) (Joined August 2015, Left November 2016, Returned May 2018)

Former Members

 * Shimamoto Kurumi (島本くるみ) (Left Pre-Debut)
 * Onoda Moka (小野田百花) (Left Pre-Debut)
 * Tanaka Yuna (田中優奈) (Left Pre-Debut)
 * Saya Yuuki (佐矢優樹) (Left Pre-Debut)
 * Uchiyama Reina (内山玲菜) (Left Pre-Debut)
 * Aoki Mako (青木まこ) (Original Member, Left September 2010)
 * Kinoshita Sachie (木下さちえ) (Original Member, Left September 2010)
 * Nakama Ayane (仲間彩音) (Original Member, Left September 2010)
 * Nagai Airi (永井愛里) (Original Member, Graduated October 2010)
 * Ikumi Hikari (伊久美光里) (Original Member, Graduated November 2010)
 * Uehara Asami (上原あさみ) (Original Member, Graduated December 2010)
 * Himeno Kaori (姫野香里) (Original Member, Graduated February 2011)
 * Mikami Akiho (美神亜希穂) (Original Member, Graduated February 2011)
 * Miyatomo Fumi (宮友楓未) (Original Member, Graduated March 2011)
 * Miyatomo Ikumi (宮友郁未) (Joined December 2010, Graduated March 2011)
 * Umemoto Haruka (梅本はるか) (Original Member, Graduated April 2011)
 * Yanagita Maho (柳田真帆) (Original Member, Fired July 2011)
 * Kitazawa Kaori (北沢かおり) (Joined July 2011, Left July 2011)
 * Ichinose Ruka (一ノ瀬瑠花) (Joined July 2011, Fired September 2011)
 * Takenaka Eri (竹中絵里) (Joined May 2011, Graduated December 2011)
 * Ikeuchi Mai (池内茉衣) (Joined May 2011, Graduated February 2012)
 * Asakura Nana (朝倉なな) (Joined July 2011, Graduated February 2012)
 * Murayama Tomomi (村山友美) (Joined January 2011, Graduated March 2012)
 * Ito Momoka (伊東桃花) (Joined May 2011, Graduated March 2012)
 * Sakurai Rena (桜井玲奈) (Joined May 2011, Graduated March 2012)
 * Aihara Kana (相原加奈) (Joined May 2011, Graduated March 2012)
 * Nakamura Miyuki (仲村みゆき) (Joined July 2011, Graduated March 2012)
 * Maeda Atsuko (前田温子) (Joined July 2011, Graduated March 2012)
 * Kiritani Manaka (桐谷愛華) (Joined September 2011, Left March 2012)
 * Natsume Moe (夏目もえ) (Joined May 2011, Fired May 2012)
 * Okada Yumiko (岡田ゆみこ) (Original Member, Graduated July 2012)
 * Nakahara Miku (中原未來) (Original Member, Graduated July 2012)
 * Nishiyama Rara (西山羅良) (Joined May 2011, Fired July 2012)
 * Nakatani Wakana (中谷和奏) (Joined May 2011, Graduated July 2012)
 * Inami Junna (井波絢菜) (Joined July 2011, Graduated July 2012)
 * Shirokawa Narisa (城川菜里紗) (Joined July 2011, Graduated July 2012)
 * Hitani Akari (日谷朱理) (Joined December 2011, Graduated August 2012)
 * Sato Nozomi (佐藤希望) (Joined September 2011, Graduated July 2012)
 * Nonaka Yuu (野中優) (Joined September 2011, Graduated July 2012)
 * Sasaki Aya (佐々木彩) (Joined September 2011, Graduated August 2012)
 * Hoshino Seina (星野聖奈) (Original Member, Graduated September 2012)
 * Kinoshita Maho (木下美穂) (Joined December 2011, Left November 2012)
 * Takeuchi Yuzuki (竹内優月) (Joined July 2011, Graduated December 2012)
 * Oguro Saya (大黒沙綾) (Joined December 2011, Graduated December 2012)
 * Takahashi Haruka (高橋春佳) (Joined July 2011, Fired January 2013)
 * Takamine Shiori (高峰汐里) (Joined May 2011, Contract Cancelled March 2013)
 * Ogata Shizuka (緒方静香) (Joined May 2011, Contract Cancelled March 2013)
 * Aiba Suzuka (相羽涼花) (Joined May 2011, Graduated March 2013)
 * Hino Yuria (日野優里亜) (Joined May 2011, Graduated March 2013)
 * Asano Miharu (朝野美晴) (Joined September 2011, Graduated March 2013)
 * Haruno Yuuka (春野ゆうか) (Joined November 2012, Left March 2013)
 * Kiyohara Chiaki (清原千明) (Joined May 2011, Graduated May 2013)
 * Nakamura Karen (中村可恋) (Joined May 2011, Graduated May 2013)
 * Fukunaga Kaoru (福永薫) (Joined December 2011, Graduated May 2013)
 * Matsuda Mao (松田麻央) (Joined November 2012, Left May 2013)
 * Sakurai Misaki (桜井実咲) (Joined November 2012, Left June 2013)
 * Nishiyama Sayaka (西山沙也香) (Joined June 2013, Contract Cancelled July 2013)
 * Tsukamoto Yuri (塚本結莉) (Joined September 2011, Graduated July 2013)
 * Otsuka Miki (大塚美貴) (Joined December 2011, Graduated July 2013)
 * Yamamoto Mariya (山本まりや) (Joined November 2012, Left August 2013)
 * Nanase Eri (七瀬恵梨) (Joined November 2012, Graduated December 2013)
 * Kobayashi Akiha (小林明葉) (Joined November 2012, Graduated April 2014)
 * Ohara Rei (大原怜) (Joined June 2013, Graduated April 2014)
 * Ishikawa Rino (石川鈴乃) (Joined June 2013, Graduated April 2014)
 * Oshima Akane (大島愛奏) (Joined March 2014, Fired April 2014)
 * Tateishi Riho (立石梨穂) (Joined June 2013, Left May 2014)
 * Shiraishi Arisa (白石ありさ) (Joined November 2012, Fired June 2014)
 * Morinaga Arisa (森永亜理沙) (Joined December 2011, Graduated June 2014)
 * Asada Hikaru (浅田ひかる) (Joined March 2014, Left June 2014)
 * Monji Kotoko (門司詩子) (Joined March 2014, Left June 2014)
 * Shiina Sato (椎名紗都) (Joined November 2012, Left November 2014)
 * Yoshida Arina (吉田有那) (Joined October 2013, Left November 2014)
 * Hayashi Yuuka (林優花) (Joined March 2014, Left November 2014)
 * Sakamoto Yuuri (坂本優李) (Joined June 2013, Graduated December 2014)
 * Kume Chisato (久米知里) (Joined May 2011, Graduated January 2015)
 * Ogata Narumi (緒方成美) (Joined June 2013, Graduated April 2015)
 * Shimada Saki (嶋田早希) (Joined March 2014, Graduated April 2015)
 * Fukuhara Risa (福原梨紗) (Joined November 2012, Left April 2015)
 * Tanaka Momoka (田中李佳) (Joined March 2014, Left August 2015)
 * Yamauchi Sayuri (山内小百合) (Joined June 2013, Graduated October 2015)
 * Mochizuki Ayaka (望月彩華) (Joined November 2012, Graduated December 2015)
 * Aoki Tsubasa (青木翼) (Joined November 2012, Graduated December 2015)
 * Ito Nagisa (伊藤凪紗) (Joined August 2015, Fired January 2016)
 * Sato Mai (佐藤真好) (Joined August 2015, Left February 2016)
 * Kawasaki Miho (川崎美帆) (Joined October 2014, Fired March 2016)
 * Kunimoto Marina (國本満里菜) (Joined May 2011, Graduated March 2016)
 * Kobayashi Mayu (小林まゆ) (Joined May 2011, Graduated March 2016)
 * Yoshimura Tamami (吉村珠実) (Joined March 2014, Left March 2016)
 * Naruse Miu (成瀬みう) (Joined August 2015, Left March 2016)
 * Ryuu Yuina (龍ゆいな) (Joined March 2014, Left April 2016)
 * Numa Saeri (沼葵里) (Joined August 2015, Left November 2016)
 * Nakazawa Yuki (中沢友希) (Joined June 2013, Left April 2017)
 * Shinoyama Sera (篠山せら) (Joined October 2014, Contract Cancelled May 2017)
 * Aikawa Reika (藍川れいか) (Joined March 2014, Left June 2017)
 * Kojima Nao (小嶋菜生) (Joined March 2014, Left June 2017)
 * Watanabe Kokoro (渡辺心) (Joined October 2014, Left June 2017)
 * Nakamura Koyuri (中村胡百合) (Joined October 2014, Left June 2017)
 * Yamamoto Yuri (山本侑里) (Joined October 2014, Left June 2017)
 * Sato Kanon (佐藤花音) (Joined April 2016, Left June 2017)
 * Miura Yukino (三浦ゆきの) (Joined April 2016, Left June 2017)
 * Yasuda Rei (安田玲) (Joined December 2011, Graduated November 2017)
 * Ogawa Kanade (尾河花奏) (Joined October 2013, Graduated November 2017)
 * Hashimoto Nana (橋本菜々) (Joined March 2014, Graduated November 2017)
 * Amamoto Miori (天本みおり) (Joined August 2017, Left May 2018)
 * Yuuki Aya (結城彩) (Joined August 2017, Left May 2018)

Sub-Units

 * Jounetsu hermit

Albums

 * [2014.12.17] HR

Singles

 * [2012.05.02] Kimi ni SPARK (キミにSPARK)
 * [2013.01.23] Barikata (バリカタ)
 * [2013.09.11] Zenryoku Jump! (全力ジャンプ！)
 * [2014.01.15] Evolution da (エボリューションだ)
 * [2014.09.24] Kibou no Tsubomi (希望の蕾)
 * [2015.06.24] Natsuiro Candy (夏色キャンディ)
 * [2015.11.04] Toy Soldier (トイ・ソルジャー)
 * [2016.06.22] Mattou yo! (待っとうよ！)
 * [2017.03.01] Nippon Hakata Ka Dai Sakusen (日本ハカタ化大作戦)