Kokoro Komete Explained

is Becky's debut single under EMI Music Japan, released on December 2, 2009. It is the first single where she is credited under the name . The single is her first to debut in the Top 10.^[1] One of its B-sides was used as the opening theme for Crayon Shin-chan.^[2]

Charts

Oricon Sales Charts

Release	Chart	Peak Position	Debut Sales	Sales Total	Chart Run
December 2, 2009	Oricon Daily Singles Chart	7		22,069	9 weeks
	Oricon Weekly Singles Chart	10	11,825
	Oricon Monthly Singles Chart
	Oricon Yearly Singles Chart

Billboard Japan Sales Charts

Release	Chart	Peak Position
December 2, 2009	Billboard Japan Hot 100	5
	Billboard Japan Hot Top Airplay	6
	Billboard Japan Hot Singles Sales	11
	Billboard Japan Adult Contemporary Airplay	26

Physical Sales Charts

Chart	Peak position
Oricon Daily Singles Chart	7
Oricon Weekly Singles Chart	10
Billboard Japan Hot Singles Sales	11
Soundscan Singles Chart (CD+DVD)[3]	12

Notes and References

1. News: 歌手デビューのベッキー♪♯が初のTOP10入り . 2009-12-28. 2009-12-08. Oricon.
2. Web site: ベッキー♪♯「しんちゃん」主題歌でハピハピ（芸能） ― スポニチ Sponichi Annex ニュース . 2010-01-27 . 2009-10-21 . dead . https://web.archive.org/web/20091025092838/http://www.sponichi.co.jp/entertainment/news/2009/10/21/03.html . October 25, 2009 .
3. Web site: 週刊 CDソフト TOP20 . 2009-12-28 . dead . https://web.archive.org/web/20080829000000/http://www.phileweb.com/products/cd-top20/ . 2008-08-29 .