第 9 集: 學生們在無人居住的熱帶群島上面臨為期一週的生存考驗。
2017年9月6日 播出
As part of a special test, the school has brought the students to an uninhabited tropical island where they must now live for a week. Their performance on the test can have an enormous impact on the point standings of the four classes. (Source: Crunchyroll)