Houseki Bako

Houseki Bako (宝石箱; Jewelry Box) was an idol group active from August 16, 2015 to May 31, 2016.

Final Lineup

 * Kusunoki Kasumi (楠花純) (Original Member)
 * Seira Niko (清良ニコ) (Original Member)
 * Sonoyama Mon (園山もん) (Joined December 2015)

Former Members

 * Hanasaki Akari (花咲あかり) (Original Member, Fired August 2015)
 * Tachibana Ereha (立花えれな) (Original Member, Fired August 2015)
 * Morikawa Anna (森川杏菜) (Original Member, Graduated December 2015)

Singles

 * [2016.04.19] Iroha Nihoheto Chirinuru wo (イロハニホヘトチリヌルオ)