Happy & Happy

 (ハッピー＆ハッピー) is an idol group under the AiKyou agency, produced by former Idol Kyoushitsu member Sato Asaki.

They were unveiled on January 1, 2017 and disbanded on February 24, 2020 when all members graduated. At the time it was not confirmed that they had permanently disbanded, but it can be assumed that they will not return due to AiKyou's overall disbandment in 2022.

Final Line-up

 * Ichinose Kirari (一ノ瀬星莉; ) (Joined November 2018)
 * Yukishiro Hina (雪代ひな; ) (Joined November 2018)
 * Amagi Yun (天城ゆん; ) (Joined November 2018)

Former Members

 * Mashiro Nana (真白なな; ) (Joined May 6, 2017; left May 15, 2017)
 * Kohinata Rina (小日向梨奈; ) (Joined May 6, 2017; graduated September 29, 2017)
 * Kondo Miko (近藤みこ; ) (Founding member; transferred to idol Kyoushitsu October 31, 2017)
 * Aoi Remi (葵乙恋美; ) (Joined May 6, 2017; left November 22, 2017)
 * Kosame Shiho (小雨しほ; ) (Joined October 2017; graduated February 23, 2018)
 * Serizawa Chiharu (芹澤ちはる; ) (Founding member; transferred to Idol Kyoushitsu May 6, 2018; returned as support member September to November 2018) - Leader
 * Narukawa Hikaru (成川ひかる; ) (Joined October 2017; graduated September 7, 2018)
 * Hayama Hinata (葉山日葵; ) (Joined November 2018; left November 28, 2018)
 * Minase Aoi (水瀬あおい; ) (Joined November 2018; left November 28, 2018)
 * Hanasaki Ran (花咲らん; ) (Joined October 2017; graduated February 2019)