Eighteen-year-old Aisen Thorn, the true heir of the Thorn family, awakens a worthless Necromancer ability that can summon only one skeleton, while his adopted brother Ade becomes an S-rank Thunder wielder admired by all. After unlocking a mysterious evolution system, Aisen transforms his weakness into an endless undead army. Betrayed by his family and hunted by enemies, he rises from an outcast to the Death God’s chosen, leading his undead legion against forces threatening the world.
