Originally Posted by sniddy

So what happens when you get a girl to 200% affection currently?

EDIT: And do 3* girls now have a use/will they have a use

Technically you receive FG like when completing the first affection to 100% and you should see the Second H Scene for the girl.
As for "what happens" game wise, you get much more from you Affection bonus stats. I think its the double of what you had once 200% is reached, but dont quote me on that.