I ripped all Fairy Tail - Zelef Kakusei, a PSP game to get some voices clips. The zip contient all voices files from the game.
It isn't +18 per see but some hit sound can be used for lewd.
I am not a fan of the anime so I am not able to tell you every characters available but there is Elza and Lucy for sure.
Each Character file are in a 3 letters folders present in the original game files structures.