Short special edit of the "Alice in Deadly School" OVA aired alongside the first episode of "Gekidol" in a special New Year program.

[Source: Funimation]

Five years after a mystifying disaster decimates cities across the globe, Seria Morino receives an invitation from a mysterious woman to join Alice in Theater, a small stage troupe that takes it upon themselves to brighten the world through their performances using 3D hologram technology. As Seria settles in, she begins to uncover unexpected truths about herself and the world around her…

[Source: Funimation]

Yu and and Nobu are practicing manzai (a two-person comedy act) act on the roof of the school. At the same time, the school building is overflowing with the presence of non-human "something else." It is said that if a person dies after being bitten by one of them, it will turn into the same "something else" and attack people. In the chaos of the school, Will Yu, Nobu, and the other surviving students be able to escape from its evil hands--.

[Source: Crunchyroll]