A mysterious boy that appears in episode 12.  ~!He was the one who stole the computers from the lab, and used Angel Player to send Shadows after the Battlefront. Apparently, he was programmed, by the developer of Angel Players, to appear when there was "love in this world." He confronts Yuri, giving her the chance to make an important choice. !~

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)

Awards: 
- Most popular voice actor in the Animage Anime Grand Prix (2004)
- Best Supporting Actor at the 1st Seiyuu Awards (2007)

**Non anime roles:**

- Kamisato Ayato - Genshin Impact (Video Game)
- Otto Apocalypse - Honkai Impact 3rd (Video Game)
- Clotted Cream Cookie - Cookie Run: Kingdom (Video Game)
- Phantom - Arknights (Video Game)
- Tatsulot - Kamen Rider Kiva (Tokusatsu series)
- Luocha - Honkai: Star Rail (Video Game)

Angel Beats! -The Last Operation- will reveal why the Afterlife Battlefront members came into this world.
 
New Angel Beats! manga series serves as the "true arc."
 
(Souce: MangaUpdates)

Nazo no Seinen