4th Season: Second Year, First Semester
As Ayanokouji and his classmates begin their second year at the Advanced Nurturing High School, they're greeted by a fresh gauntlet of exams and a fresh batch of rather unique first-year students. They'll have to get to know each other quickly, because the first special exam pairs the first-years with the second-years on a written test—with only the second-years facing expulsion if their team performs poorly! Worse yet? It seems one of the new first-years is also from the White Room. Can Ayanokouji avoid expulsion while sussing out the identity of this hidden foe?
01. Assassin From the White Room
Ayanokoji's second year begins with a new threat from the White Room and a new special test.
02. Contract and Payment
Ayanokoji and Horikita's quest for a partner for Sudo brings them to a first-year with unusual demands.
03. Determination of a Leader
Class 2-D continues its negotiations with Class 1-D as the state of the field becomes more clear.
04. To Whom the Blade Turns
Negotiations with Hosen come to a head with little time left before the end of the special test.
05. The 20 Million Man
Ayanokoji manages to avoid a scheme set up by the new first-year students that could have led to expulsion. However, the results of his special exam throw Class 2-D into an uproar, with some even suspecting foul play. Ayanokoji ends up being pressed by his classmates...
06. A Turbulent Battle for Recruitment
The uninhabited island survival exam for this year has been announced. It will last for two weeks, and the island will be larger than last year's. Additionally, students from all grade levels will compete against each other. Before the exam begins, a four-week period is provided for forming groups, sparking a fierce competition among all classes to recruit members.
07. Plotting
The first-years arrange a super team for the upcoming test, but bad blood runs deep between Utomiya and Hosen.
08. Episode 8
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09. Episode 9
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10. Episode 10
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11. Episode 11
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12. Episode 12
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13. Episode 13
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14. Episode 14
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15. Episode 15
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16. Episode 16
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