JAPANARIZM

 (ジャパナリズム) is a Japanese festival music themed idol group formed in May 2016. They were named Happippi (はっぴっぴ) until November 11, 2019.

Current Members

 * Namiki Ayuna (並木彩名; ) - Playing Manager (Joined January 2018)
 * Nishimura Sayuri (西村彩有里; ) (Joined January 2018)
 * Kohinata Natsumi (小日向夏実; ) (Joined November 2019)
 * Nishino Runa (西野瑠奈; ) (Joined February 2020)
 * Shirase Akari (白瀬あかり; ) (Joined July 2020)
 * Yokoi Honami (横井ほなみ; ) (Joined January 2021)
 * Oku Airi (奥愛梨; ) (Joined January 2021)

Former Members

 * Shiomi Kana (汐海夏那; ) - Leader (Original Member; Graduated September 2017)
 * Yoshikura Chiharu (吉倉千晴; ) (Original Member; Graduated December 2017)
 * Natsumi Urara (夏海うらら; ) (Original Member; Graduated January 2018)
 * Ichikawa Chinatsu (市川千夏; ) (Joined January 2018; Graduated July 2018)
 * Eguchi Yuka (江口結香; ) - Sub-Leader (Original Member; Graduated May 2, 2020)
 * Takaki Yuria (髙木由莉愛; ) - Leader (Original Member; Graduated January 30, 2021)
 * Amano Nayu (天乃七夕; ) (Joined January 2018; Graduated February 5, 2021)

Digital Albums

 * 1) [2019.09.18] Matsuribayashi Kei Kayoushuu ~Gokoku Houjou no Negai~ (祭囃子系歌謡集 ～五穀豊穣の願い～)

Singles

 * 1) [2016.11.22] Happi Kite Happippi (はっぴ着てはっぴっぴ)
 * 2) [2018.09.28] Omikoshi Frontier (お神輿フロンティア)

Limited Edition Singles

 * 1) [2017.07.15] Shuriken Strike!!

Digital Singles

 * 1) [2020.04.11] Donten Butterfly (曇天バタフライ)
 * 2) [2020.04.11] Wagamamajorithi (ワガママ女リティ)
 * 3) [2020.04.11] UTAGE