Jamu

“Want to be rich? Then become an exorcist!” Byeongchun is living with his sick grandmother and his twin brothers, taking care of them. To make a living for the family, he quit sports which he really loved. He barely makes a living doing part time jobs. One day, he beats up someone who picked a fight on him. To his surprise, Byeongchun finds out that it was a ghost! Bisamgwang, the shaman, witnesses him beating up the ghost and asks him if he’s interested in running an exorcism business together.Webtoon PVOfficial Simplified Chinese Translation

There's only one way to stop the hyenas from going for the big piece of meat. I have to become the king to protect my owner.