That's a good question.
My case is similar:
After i changed the language on DMM to English i was able to purchase DMM Points (Thanks, Kurenai )
I fetched http://flowerknight.wikia.com/wiki/Streptocarpus
I don't know yet if her x2 Skill Multiplier only counts for turn 2 or for all turns after turn one...
Let me know if she stacks her attack or not. Looks really interesting
My 10+1:
Don't know what to say to be honest. Exactly the girl i was looking for to complete v.1 of my 70 % Debuff Team.