The novel series has been published since 2006. Manga adaptation has been serialized since 2008 in Dengeki Moe-Oh.
Hino Akiharu lost his parents when he was small and was adopted into his uncle's family. But he noticed his uncle is after the inheritance of his parents, so he decides to enter a boarding school, Hakureiryou high school. However his delinquent boy-like appearance frightens the girls, who make up the majority of the students. Being unable to get along with the classmates, Akiharu meets his childhood girlfriend Saikyou Tomomi.
According to Dengeki no Kanzume, the staff and the cast of Ladies versus Butlers! are as follows:
Oh man the ecchi is over the top again. I think in previews I have seen at least 5 series with ecchi. They also look like they are using some stuff from Nogizaka in the ecchi field. I hope the comedy/romance might be good though.