ZYX (pop group)

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ZYX, 2003 promotional photo.jpg
ZYX, 2003.
Back row (L to R): Erika Umeda, Mari Yaguchi, Maimi Yajima
Front row (L to R): Saki Shimizu, Megumi Murakami, Momoko Tsugunaga.
Background information
Origin Japan
Genres Pop
Years active 2003–2009; 2015 (as ZYX)
2009–2011; 2013 (as ZYX-a)
Labels Piccolo Town
Associated acts Morning Musume
Hello! Project Kids
Berryz Koubou
Hello! Pro Egg
Website Hello! Project.com
Past members Mari Yaguchi
Saki Shimizu
Maimi Yajima
Megumi Murakami
Erika Umeda
Koharu Kusumi
Saki Ogawa
Risa Niigaki
Chinami Tokunaga
Maasa Sudou
Momoko Tsugunaga
Ayaka Wada

ZYX (ジックス, Jikkusu, pronounced zicks) were a short-lived Japanese pop group made up of five Hello! Project Kids members led by Mari Yaguchi of Morning Musume. Yaguchi acted as a mentor and the group released two singles. ZYX is important in that it is the first unit that Hello! Project Kids officially joined with the second being Aa! formed in 2003, the third being Berryz Kobo in 2004, and the fourth being Cute in 2005. As Saki Shimizu and Momoko Tsugunaga were selected to become members of Berryz Kobo in 2004, the activity of ZYX ended.


The name ZYX is a kind of acronym using a somewhat intricate play in notation. "Z" and "Y" are taken from the phrase Zettai Yume o Bai ni (絶対、夢を倍に, Definitely double your dreams) "Bai ni," meaning "double in size," is represented not as "B" but as a multiplication sign "×" which was then represented by the letter "X." Also, the letters ZYX are the last letters of the English alphabet in reverse order. In Hello! Project, this inverted order naming is followed by the groups "W" created in 2004, "v-u-den" in 2005, "The Possible" in 2006, and SI☆NA in 2008. This line-up of groups continues the reverse alphabetical naming (ZYX-W-VU-T-S).

In 2009, the unit was revived as ZYX-α (ZYX Alpha). Of all the original members, only Momoko Tsugunaga remained (Mari Yaguchi and Megumi Murakami were no longer a part of Hello! Project, Erika Umeda also joined ZYX-a, but left following her graduation from Hello! Project in October 2009 and Saki Shimizu and Maimi Yajima were members of High-King).

ZYX-a disbanded in January 2011 alongside the other revival units, excluding High-King. In 2013, for Hello! Project's 15th anniversary, ZYX-a reunited with its remaining 4 members Momoko Tsugunaga, Maasa Sudo, Ayaka Wada and Chinami Tokunaga and featured former member Risa Niigaki as their special guest.

On February 28 and March 1, 2015, ZYX reformed for Berryz Kobo Matsuri with Momoko Tsuguana, Saki Shimizu and Maimi Yajima to perform "Shiroi TOKYO", the first time members of the original ZYX line-up have reformed under the name ZYX since 2006.






Title Release date Coupling
Iku ZYX! Fly High (行くZYX! Fly High, "Go ZYX! Fly High") 2003-08-06 Gatamekira ZYX ver. (ガタメキラ, "Gotta Make it Love")
Shiroi Tokyo (白いTOKYO, "White Tokyo") 2003-12-10 Tokonatsu-Musume ZYX ver. (常夏娘, "Endless Summer Girls")


Title Release date
Single V: Iku ZYX! Fly High (シングルV・行くZYX! Fly High) 2003-09-10
Single V: Shiroi Tokyo (シングルV・白いTOKYO) 2003-12-26

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