User blog comment:FairyRaven/Fairy Tail Chapter 372: Breach, Review and Commentary/@comment-2214433-20140221133514/@comment-7418318-20140221143102

Considering how long the hints about a special spring project have been coming, he probably started on it quite a while ago.

It's not like he's going to draw all five extra chapters plus the regular one in just one week.

Don't get me wrong, it's still impressive, but not all that much more than the row of double issues plus extra pages last summer.