![](https://cdn.animecharacters.io/images/characters/large/58608-208b9c2d.jpg)
Kei Nagai (永井 圭)
A 17-year-old boy who is the main protagonist of the series. He is an Ajin. He is rather disliked by his little sister, Eriko, as she defines him as "trash."
Animeography
Mangaography
Voice Actors
Johnny Yong Bosch
English
Mamoru Miyano
Japanese
Julie Ann Taylor
English
Ayaka Asai
Japanese
Diego Marques
Portuguese (BR)
Patrick Baehr
German
Yago Contatori
Portuguese (BR)
Bruno Borsu
French
Karin Clercq
French
José Antonio Toledano
Spanish