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 Now that the alien invasion has been thwarted Okarun and the others start a research club with the goal of finding his missing family jewel As they prepare to get their new club up and running they can t help but feel suspicious of their assigned advisor Mr Sanjome of whom they strangely have no memory Soon after Okarun s class rep reveals to him that ever since she picked up a gold ball he s looked like a handsome vampire