Ayumi, Kishinuma, Mayu, Sakutaro, Satoshi, his younger sister Yuka, Seiko, Naomi and their teacher Yui fall into a creepy dark school and find themselves in different classes and dimensions...

You, being the vindictive and omnipotent spirit of a little girl Sachiko, are sitting in a corner of abonded classroom, when Seiko screams at your creepy appearance and whispers something in Naomi's ear, looking at you in fear. Suddenly, they both take off and run out of the classroom.