Does anybody nottice she has six fingers...? :S

lmao i dont recall seeing that in the anime. That better be a fake..

It's a fake, Mitsuki has five fingers on both hands like all good anime chara.

I just checked the episode, so here's proof: post #71427

Polytactyly is not too uncommon you know: http://en.wikipedia.org/wiki/Polydactyly