Mondaiji-tachi ga Isekai Kara Kuru Sō Desu yo?

Mondaiji-tachi ga Isekai Kara Kuru Sō Desu yo? (問題児たちが異世界から来るそうですよ? lit. Problem Children are Coming from Another World, Aren't They?) also known as Mondaiji (問題児) for short is a Japanese light novel series written by Tarō Tatsunoko and illustrated by Yū Amano. An anime adaptation by Diomedea began airing in January 2013.