Editions
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Regular 通常盤 2009/01/07 QWCT-10027 Tracklist 1 Shiawase no Katachi 幸せの形 A-side 2 Ai no Energy 愛のエナジー B-side 3 Shiawase no Katachi (Instrumental) 幸せの形 (Instrumental) 4 Ai no Energy (Instrumental) 愛のエナジー (Instrumental) -
Limited 初回盤 2009/01/07 QWCT-10026 Tracklist 1 Shiawase no Katachi 幸せの形 A-side 2 Ai no Energy 愛のエナジー B-side 3 Shiawase no Katachi (Instrumental) 幸せの形 (Instrumental) 4 Ai no Energy (Instrumental) 愛のエナジー (Instrumental) DVD Tracklist 1 Shiawase no Katachi 幸せの形 Music Video 2 Shiawase no Katachi (Making Eizou) 幸せの形(メイキング映像) Making of 3 Shiawase no Katachi (Kashi Ari) 幸せの形(歌詞あり) Music Video
Participants
6 idols participated in this single. They are listed below alongside their age at the time of release, starting from the oldest.