The story of "Angel Beats!" begins with the main character Yuzuru Otonashi. He wakes up in a high school yard and doesn't remember how he got there. At this moment Yuri Nakamura stands next to him and she is targeting a girl named "Angel". Angel, on the other hand is armed with superpowers and she fights against Yuri and her battle squad. Trying to comprehend the situation, the main character realises that he's dead and he's in the underworld. He passes lightly Yuri because he thinks she's lying but when he meets "Angel" and what happens afterwards, he realises that he's in a world where he can't die. He decides to join Yuri's battle squad - "Shinda Sekai Sensen" (Battlefront in the afterlife) and begins to fight against God and "Angel".