I came back from the underworld and became the last psychic.
In his previous life, he was an abandoned son of a wealthy family. In this life, he just wants to kill ghosts and make money in the human world.
"They all say I'm crazy. I can see ghosts, exorcise evil spirits, and see through other people's secrets at a glance. But I just want to know one thing - who is the habit on my ring finger for?"