Mega Best releases

Mega Best were albums released only as a CD+DVD combo to commemorate Hello! Project's 10th anniversary. The various albums in the series were all released on December 10, 2008 on the zetima label.

''Hello! Project 10th Anniversary DATA BOOK 2009'' was presented to all applicants as a bonus if you bought all eight titles (all originally planned to be shipped in early April 2009, but significant time is required for editing). It was sent out in December of the same year. In addition, the contents of Mega Best are published in this book.

TV commercials have also been run, but commercials for Abe Natsumi 's mega best has also been run alone.