Angel Beats! is a tV series anime that premiered in spring 2010, produced by P.A.WORKS.

About the production: the story comes from an original script, there are 13 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, comedy, drama and supernatural, with themes such as Afterlife, School, Primarily Teen Cast and Kuudere.

On AniList, Angel Beats! has an average score of 77%, a very good score, and appears on 449,383 users' lists.

Otonashi wakes up in the afterlife to find out he has no memories of his life before death. Desperate to survive in a war that could yield another unfortunate fate, he joins the SSS in the battle against Angel, whose very mission is to destroy all inhabitants of this afterlife. As Otonashi struggles to recover his memory and learn more about this world, he finds that not all is as it had seemed. (Source: Funimation)

Official synopsis from AniList.