Conversation so far:
What happened in 2008 to Ai Kago?
Ai Kago made a well-publicized return to the entertainment industry in 2008
How did Ai Kago make a well-publicized return to the entertainment industry in 2008?
Ai Kago began appearing in multiple Hong Kong movies, including Kung Fu Chefs.
What did Ai Kago do to return to the public eye?
On August 25, 2008, Kago released a book entitled Kago Ai Live—Miseinen Hakusho.
Did Ai Kago have much publicity in 2009 or 2010?
On June 24, 2009, Ai Kago released her first solo single No HesitAtIon on independent record label In Da Groove.

Question: What was the name of the album it was on?
Self-contained rewrite: What was the name of the album Ai Kago's solo single, No HesitAtIon was on?