User blog comment:Yowzha142/Top Ten Mindfuck Moments in Fairy Tail (Anime and Manga) of 2013/@comment-2.132.120.55-20140105234032/@comment-2214433-20140106150018

"... Despite some unusual censorship policies (until just recently, it was one of the only shōnen magazines to forbid the depiction of female nipples)..."

It appears so.