الحلقة 9: يواجه الطلاب اختبار بقاء لمدة أسبوع في جزيرة استوائية غير مأهولة.

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)

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