HR stands for Hakata Reboot.
It's based in Hakata (obviously ), Fukuoka.
They were formed in 2010.
Members are:
- Kunimoto Marina (國本満里菜)
- Kume Chisato (久米知里)
- Kobayashi Mayu (小林まゆ)
- Shiraishi Arisa (白石ありさ)
- Nakazawa Yuki (中沢友希)
- Fukuhara Risa (福原梨紗)
- Morinaga Arisa (森永亜理沙)
- Mochizuki Ayaka (望月彩華)
- Yasuda Rei (安田玲)
Former Members
- Murayama Tomomi (村山友美)
- Nakamura Miyuki (仲村みゆき)
- Maeda Atsuko (前田温子)
- Kiritani Manaka (桐谷愛華)
- Aihara Kana (相原加奈)
- Ito Momoka (伊東桃花)
- Sakurai Rena (桜井玲奈)
- Ikeuchi Mai (池内茉衣)
- Asakura Nana (朝倉なな)
- Natsume Moe (夏目もえ)
- Nishiyama Rara (西山羅良)
- Okada Yumiko (岡田ゆみこ)
- Inami Juna (井波絢菜)
- Shirokawa Narisa (城川菜里紗)
- Tsukamoto Yuri (塚本結莉)
- Nakatani Wakana (中谷和奏)
- Sato Nozomi (佐藤希望)
- Nakahara Miku (中原未來)
- Nonaka Yu (野中優)
- Sasaki Aya (佐々木彩)
- Hirani Akari (日谷朱理)
- Hoshino Seina (星野聖奈)
- Kinoshita Miho (木下美穂)
- Ooguro Saya (大黒沙綾)
- Takeuchi Yuduki (竹内優月)
- Takahashi Haruka (高橋春佳)
- Asano Miharu (朝野美晴)
- Haruno Yuka (春野ゆうか)
- Ogata Shizuka (緒方静香)
- Takamine Shiori (高峰汐里)
- Aiba Suzuka (相羽涼花)
- Hino Yuria (日野優里亜)
- Kiyohara Chiaki (清原千明)
- Nakamura Karen (中村可恋)
- Fukunaga Kaoru (福永薫)
- Otsuka Miki (大塚美貴)
- Nanase Eri (七瀬恵梨)
Their newest single is one of their best yet!