Somewhere between this world and the afterlife exists the Chaos Zone, where souls with regrets from their previous lives are left to wander. Ten great historical figures has been given an opportunity to be reborn into ten new lives. However, there is also an eleventh person, an ordinary girl by the name of Bebe. Thus, an audition is held to decide who among them will receive their new lives.
The 7th best album in the Petit Best series, which are annual compilations released at the end of the year that feature best hits from the artists of Hello! Project during that year, with an occasional remix or new song included.