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On December 31, 2006, Shimizu took the stage at the 57th edition of Kōhaku Uta Gassen as a backup dancer in Morning Musume's performance of Aruiteru, along with the remaining members of Berryz Kobo, Country Musume and Cute.
On October 2, 2005, Ishimura graduated from Berryz Kobo and Hello! Project at the Tokyo Kōsei Nenkin Kaikan, to finish her education full-time.
On December 31, 2006, Sugaya once again took the stage at the 57th NHK Kōhaku Uta Gassen as a backup dancer in Morning Musume's performance of Aruiteru, along with the remaining members of Berryz Kobo, Country Musume and Cute.