Nekogahoratoori Gakuen - Mahou Gakubu Eishou Gakka

Main character enters a law department in a university, but it appears to be magic department in reality. He does not understand magic at all, so needs help from another person. The girls around him are all strange and with unique personality traits. Will he find common language with them and pass the test in time?

[From vndbreview]