The Supernatural Has Returned, and I'm the Biggest Ghost of Them All

The supernatural is resurging, and rabbits are running rampant. The only thing that can deal with ghosts is a ghost.

"The one who beat the monsters into a deep sleep was a 'human.'"

"Is he a Ghost Tamer?"

"No. Then he must be a ghost servant possessed by a ghost."

"That's not it, either."

"Hiss! If only ghosts can deal with monsters, then what is he?"

"To knock ghosts unconscious, he can't be a Ghost Tamer or a ghost servant. That only leaves one possibility: he's a ghost..."

"A ghost...? You mean the ghosts themselves brought this bizarre age to an end...?"