Petit-Petit Explained

Petit-Petit is the second full-length studio album by the Japanese idol group Idoling!!!. It reached number 17 on Oricon weekly chart.^[1]

Petit-Petit was released in three types:^[2]

Track listing

Mujouken Koufuku was used as the ending song of Fuji TV's "Raion no Gokigenyō" from June 29 – September 25, 2009.
Lemon Drop was used as the ending song of "Pyokotan Profile" movie.^[3]
Forever Remember was performed by #3 Mai Endō, #6 Erica Tonooka, #9 Rurika Yokoyama, #11 Suzuka Morita, #15 Nao Asahi, #17 Hitomi Miyake, #20 Ai Ōkawa.^[4]
Beta na Shitsuren ~Shibuya ni Furu Yuki~ was a sub-unit song performed by Kyun Kyun Idoling!!!.
Royal Milk Girl was performed by #7 Erika Yazawa, #8 Fonchi, #12 Yui Kawamura, #13 Serina Nagano, #14 Hitomi Sakai, #16 Ami Kikuchi, #19 Yurika Tachibana, #21 Kaede Hashimoto, and Bakarhythm (Comedian and Idoling!!! TV show MC).
NAGARA was a sub-unit song performed by Giza Giza Idoling!!!.
Harukanaru Virgin Road was a sub-unit song performed by Ban Ban Idoling!!!.
Kokuhaku was used as campaign song of Microsoft Windows Vista campaign "Vista Gakuen".^[5]
Hannin wa Anata desu was a sub-unit song performed by Furi Furi Idoling!!!.
baby blue was used as the ending song of Fuji TV's "Kiseki Taiken! Unbelievable" from April – July, 2009.
Like a Shooting Star puru-lele ver. was performed by #3 Mai Endō.
Tokimeki Dreaming!!! Dreaming!!!MIX was used as ROBO_JAPAN 2008 image song.^[6]

http://www.oricon.co.jp/rank/ja/w/2009-08-31/more/3/ Oricon weekly chart
Web site: Petit-Petit track listing. https://web.archive.org/web/20120920062202/http://idoling.fujitv.co.jp/discography/album_2nd.html. September 20, 2012. dead. March 27, 2016.
http://blog.fujitv.co.jp/idoling/blog/member/E20081202006.html Idoling!!! official blog
Performed at Idoling!!! 6th Live.
http://idoling.fujitv.co.jp/discography/single_3rd.html Kokuhaku traclisting and information
http://robot.watch.impress.co.jp/cda/news/2008/09/25/1321.html ROBO_JAPAN 2008 press conference