In a world where mana defines power, Hanie and her brother run a bounty company - until he disappears while investigating a dangerous crime syndicate trafficking people for their mana. The two twins, gifted with the rare ability to copy and replicate magical abilities, with her brother being a target of many others of powerful backgrounds. Now, with the help of a ruthless task force agent named Eirian, Hanie must dive into a world of black markets, corrupted power, and mutated magic-users to find her brother... before he becomes a weapon to those who want to seize power.