In the year 2520 people begun to have inhuman powers, and are now called shards. There are two types of shards, the pure shards the good ones and the impure shards the bad ones. Many pure shards sided with a group of scientist who have formed a agency called Hunters Inc. A group of kids, teems, and young adults. All are between the ages of 10 and 25; and highly trained to hunt and kill impure shards or bring them in. most kid in the Hunter Inc. parents either died or was killed by an impure shard, and most kids joined the Hunter Inc. to avenger their parents and take revenge on those who killed them.