Utori: The Legacy is a Manga/Manhwa/Manhua in (English/Raw) language, THRILLER series, english chapters have been translated and you can read them here.
Utori is a young man who hides his special abilities from the world and uses them to discipline bullies. One day, he meets his pursuer, “Death,” who relentlessly chases him. Despite Death’s constant threats, Utori cannot die due to his unique ability. Just when Utori thinks he is out of options, a mysterious figure named Daesan appears to save him. Daesan reveals that Utori is not alone and that there are others like him, called “Utori.”