Gotta say Satellizer from Freezing, I don't know but gets me more boner.
The older sister from B Gata H Kei
Hagoromo Gitsune from Nurarihyon.
This, or that girl from Kimi Todoke.
Hyper System Standby!
Her voice is great in everything.
Sawako Kuronuma from Kimi ni Todoke.
I remember really liking her in Monster as Nina, she also was great as that picture book narrator from said show.
She should do more lewd characters.
Pic related, even if it was a terrible anime.
Matsuri, always Matsuri.
That slut princess from mugen frontier game