Ajin: Demi-Human (Japanese: 亜人, Hepburn: Ajin) is a Japanese manga series written and illustrated by Gamon Sakurai. It was serialized in Kodanshas seinen manga magazine Good! Afternoon from July 2012 to February 2021, with its chapters collected in seventeen tankōbon volumes. In North America, it has been licensed for English release by Vertical.
It was adapted into a 3D anime film trilogy by Polygon Pictures between November 2015 and September 2016. An anime television series adaptation, also by Polygon Pictures, aired between January and April 2016, with a second season aired from October to December 2016. A live-action film adaptation was released in September 2017.