Trinity Seven, Vol. 2: The Seven Magicians — Kenji Saito

Not long after Arata enrolls at Royal Biblia Academy to become a magus do rumors begin to circulate about him being a "Demon Lord candidate." But with these rumors come gorgeous female mages...and one of them calls herself the future bride of the Demon Lord! With help from his friends, Arata continues his journey down the treacherous path of magic in this romantic comedy and sometimes-serious wizard school story!