Originally Posted by Skyehmm

Here is a pastebin with future event girls and girls in the gacha:
http://pastebin.com/NpXpXUMX

So now we have:



And the next should be:

->Open Spoiler<-

Edit: Event banners (from DMM) can be found here:
http://xn--eckq7fg8cygsa1a1je.xn--wi...BB%BB%E5%8B%99

Here's a better link: http://フラワーナイトガール.攻略wiki.com/index.p...9B%B3%E9%91%91
Click the third "+" to open up the events list, oldest event is at the bottom, latest at the top. It shows both event banners and the icons of the girls in the event.

I'm saving my flower gems for the very next gacha, by the way. I really want that last purple girl, though with my luck, I'll probably get the first one :-/