A nerd must fight powerful spirits and aliens all vying for the secret power of his "family jewel," so who better to fight alongside him than his high school crush and a spirit granny?! Momo Ayase and Okarun are on opposite sides of the paranormal spectrum regarding what they'll believe in and what they won't. Their quest to prove each other wrong leads them down a path of secret crushes and paranormal battles they'll have to participate in to believe!...

"Thus far, Jinwoo has managed to keep his rapid evolution hidden from his fellow hunters. When he arrives at his latest assignment, though, he is greeted by a group of familiar faces--Joohee, Mr. Song, and the other survivors of the double dungeon are gathered for the raid, and his comrades can't help but notice Jinwoo's drastic change in stature! Jinwoo intends to act the weakling he was before, but when their party is joined by a group of criminals...