ER2 (Kanjani Eight song) explained

"ER2" is a single by Japanese boy band Kanjani Eight as Eight Ranger. It was released on August 6, 2014. It debuted in number one on the weekly Oricon Singles Chart^[1] and reached number one on the Billboard Japan Hot 100.^[2] It was the 27th best-selling single of 2014 in Japan, with 241,824 copies.^[3]

Notes and References

1. Web site: 2014年08月04日～2014年08月10日のCDシングル週間ランキング（2014年08月18日付）. Oricon Style. Oricon. October 12, 2014. Japanese.
2. Web site: Billboard Japan Hot 100 2014/08/18. Billboard Japan. Japanese. October 12, 2014.
3. Web site: 2014 Oricon Yearly Single Ranking TOP50. toykohive. 6Theory Media, LLC.. December 20, 2014. January 9, 2015.