By the way, Yoshi☆Wo is healthy again. It seems like he will be doing illustrations from volume 7 and they released the part of volume 7 cover.
You can read the post and see the image here.
http://blog.mediafactory.co.jp/mfbunkoj/?p=13858
With that we have all 7 Vanadis appear on the cover.
Now Tigre's polygamy will be put into reality
Though one of the biggest twist in Madan I want to see is one of the Vanadise(one of the ones who isnt close to Tigre) die, and be replaced by someone else. Sometimes death is crucial to make a story even better.