There is no chapter 30. That's supposed to be this month's issue, but they are absent (
http://www.mediafactory.co.jp/comic-...dex.php?MD=new), and they formally announced their hiatus there and on Twitter. What I described earlier was from the authors' blog (
http://usachu.seesaa.net/article/277420285.html). The artist is presumably still recovering. They didn't specify when they'll be back, only that they are committed to do so.