X21 (次世代ユニットX21, Jisedai Yunitto Ekkusu Nijūichi) was a Japanese girl idol group.[1] It was formed in 2013 of 21 finalists (with the average age of 14 years) of the 13th Japan Bishōjo Contest and is affiliated to the entertainment company Oscar Promotion.[2]
"Genjitsu kara Nigeru kara Genjitsu ga Tsurainda" (現実から逃げるから現実がツラいんだ)
August 16, 2017 (2017-08-16)
6
30
Non-album single
11
Friday Night Party
March 14, 2018 (2018-03-14)
9
29
12
Destiny
September 19, 2018 (2018-09-19)
8
—
"—" denotes items which failed to chart.
Music videos
Year
Title
2014
"Asu e no Sotsugyō"] (YouTube Special MV)
"Gwiyomi Song" (キヨミ・ソング)
"Koisuru Natsu!"
"Happy Appli"
"Xギフト"
2015
"Shōjo X"
"YOU-kI no Parade"
"Magical☆Kiss"
2016
"Yakusoku no Oka"
"Natsu dayo!!"
"Kagami no Naka no Parallel Girl"
2017
"Beautiful X"
"Genjitsu kara Nigeru kara Genjitsu ga Tsurainda
Notes
^The Billboard Japan Hot Albums chart was established in June 2015.
^Sources for chart positions are as follows:
"Asu e no Sotsugyō",[7] "Yakusoku no Oka",[8] "Natsu dayo!!",[9] "Kagami no Naka no Parallel Girl",[10] "Genjitsu kara Nigeru kara Genjitsu ga Tsurainda",[11] "Friday Night Party[12]