Conversation so far:
what happened to ai kago in 2011?
In September 2011, Ando was arrested for alleged extortion and claiming to have connections with the yakuza.
Are there any other interesting aspects about this article?
After spending 2012 out of the public eye with the birth of her daughter, Minami, Kago transferred to a new agency in 2013.
was she married?
she and Ando registered their marriage.

Question: when did they register?
Self-contained rewrite: When did Ai Kago register the marriage?