Down Came the Tiger

Kang Hasun has the ability to see vagrants, special beings that disguise themselves as humans. They have never caused him any trouble, until one day he is attacked by a vicious group of them. Just as he is on the verge of death, Beom, a tiger vagrant, pops out of his necklace and saves him. With Beom's help, Hasun learns that his family has a deep connection with the vagrants and a secret power that they desire. Can he learn how to control these powers and defeat these villains in time?