A new student, Yura, joins Rikuo's class. She knows a lot about yÅkai and can sense their presence. Rikuo's friends form a paranormal investigation group and decide to have the inaugural ceremony at Rikuo's house since they've heard rumors of it being haunted. Much comedy ensues while they explore his house against his wishes. It is revealed that Yura is an onmyÅji when the group is attacked by a rat. When Kana and Yura head home they are attacked by a group of yÅkai.