Boku no Ushiro ni Majo ga Iru
僕の後ろに魔女がいる
Ryuusuke Nanri transfers to a new school following his parents' divorce and is seated in front of Miya Fujimoto, a girl who dresses in a Gothic Lolita style and carries a peculiar book and a cat named Judah. Miya identifies herself as a witch and begins subjecting Ryuusuke to various unusual experiments.