第9話: 生徒たちは無人の熱帯島で1週間のサバイバルテストに直面する。
2017年9月6日 放送
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)