[Machine Translation] The fourth volume of this educational variety show features "Shirijiri Sensei," a teacher who has made major mistakes in the past. This is the fourth volume of the educational variety series in which "Shikujiro Sensei," who has made great mistakes in the past, gives passionate lessons under the slogan "Don't be like me! Included are Taku Suzuki, Taizo Sugimura, and Fumiko Nishikawa.