Here's all 4 ending themes to the OVA "Mai-Otome Zwei" for your enjoyment:
Believe ~Eien no Kizuna~ (Believe ~永遠の絆~)
Storm
Egao no Iro wa Niji no Iro (笑顔の色は虹の色)
Otome wa DO MY BEST desho? 2007Ver. (乙女はDO MY BESTでしょ？ 2007Ver.)

http://www.mediafire.com/?cmcl1th52dy

*please be patient. I just uploaded this and already there seems to be server issues*
*never mind*

Link seems to work fine! Thanks!

I was looking for the 2007 version of "Otome wa DO MY BEST Deshyo" all over the place! Thank you so much!!

thank you so much I love Mai HiME/Otome

cool.