Henjin Tantei Em

A man who owns an antique furniture shop acquires an item known as the "Devil's Branch," which unintentionally brings forth a devil. Puzzled by the situation, he seeks help from his former classmate, Em Kelsner, a detective known for being eccentric. From that point, the man finds himself frequently involved in Em's activities. The first volume is titled *Satanic Branch*, followed by *Goblin's Rye* and *Lampshade*.