先生はエライっ！ (2008)

Name: 先生はエライっ！
Released: 2008-04-12
Cast: 中島裕翔, 山田涼介, Юри Тинэн, 有岡大貴, 中山裕介

Nakajima, Chinen, and Arioka play three useless students at a public junior high school. At first, they find their homeroom teacher dull and bothersome, but an incident leads them to take a liking to him. Along with their former classmate (Yamada) who now attends a private school, the students unite to transform their teacher into a respectable guy. - (TokyoGraph)