Grasp

Humanity is divided into three races: the 'Nut', whose bodies are extremely enhanced; the 'Alma', who inherit a unique bloodline; and the 'Haman', who mediates between the two. The blood of the 'Alma', who lives in the desert, is used as a cure for the madness of the 'Nut', who lives in the western part of the continent. One day, Seok-Ha is hunted by 'Alma' and ends up in an unfamiliar land. While struggling to return to the desert, he meets Eden, whose identity is unknown. What begins as a threat takes longer than expected, and Seok-Ha becomes suspicious of Eden, who is trying to obstruct his return...

(Source: Ridibooks, translated)