User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 14: February 2013/@comment-14885023-20130404235214/@comment-202.156.13.10-20130425100537

I think they did not make the March issue because they would not have enough info for 'this month in the anime' part. The anime did a rerun in Japan as it is catching up with the manga.