Overall: Ladies versus Butlers is by no means a greatanime, but it definitely preferrable to most of the shows in this genre.
She entertains herself by preying on other students especially Akiharu and Selnia by putting them in compromising situations e.
Butlers includes almost every female archetype found in the harem genre: a tsundere, a childhood friend, a reverse trap, lolis, clumsy girls, foreign girls, etc.
The voice cast of the drama CD is the same as with the anime adaptation.
Ironically, students usually avoid him because of this.
The story basically details Hino interacting with the various girls at the school and the various ecchi situations he gets himself into.