Marked

The world was attacked by creatures called "dead beasts" with unknown origin. Because of this incident, humans evolved and acquire supernatural skills called "marks." Marks has different attributes; Sword, Light, Air, Water Earth, Fire. By acquiring these abilities, humans learned to fight dead beasts. But a boy named Kuro Haiiro in a small sword people's town got reborn to be markless because of his mother's sealing magic. Being markless made him realize that all men are created unequally. But a certain incident broke his seal and he later discovered that he is marked by "word," a legendary mark that can use the six attributes.