Macademi Wasshoi!
English name: Magician's Academy
Genres: Comedy, Fantasy, Romance, Supernatural, Ecchi
Type: TV, Episodes: 12
Aired: Oct 6, 2008 to Dec 22, 2008
Studio: Zexcs
Source: Light novel
Rating: R+ - Mild Nudity
Synopsis:
Magician's Academy revolves around Takuto Hasegawa, who attends a magic academy that is not marked on any map. During a summoning spell exam, he accidentally creates a girl named Tanarotte, who happens to hold enough magical power to destroy his country, but fortunately Tanarotte professes undying loyalty (and love) to her "creator." 

(Source: ANN)