Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e 4

ようこそ実力至上主義の教室へ 4th Season

The fourth season of Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e.

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?

(Source: Crunchyroll)