Fog Land

Witness the corruption of reason and divinity. Escape the nine hells of Fog Land. Driven by his conviction that everyone deserves education, science teacher Kang Dante agrees to teach in Fog Land, a mysterious international prison that houses the world's most notorious criminals. But his very first class gets interrupted by a violent prison riot, after which, he finds himself in the cell of his mysterious captor. Dante must now travel through the nine circles of hell and escape Fog Land.

(Source: Webtoon Entertainment)