(warning -Gores and Death, character and you may be dead or not, corpse,Spoiler)

"You were woke up in classroom but It's wasn't your classroom,you look around the room, it's look like you're in another school but it looks so old and broken, you're alone but first you need to find your friends..Seiko,Ayumi, Satoshi and Yuka,Sakutarou, your teacher Yui Shishido..,Mayu,Yoshiki,Naomi.."

Task-Find your friends and don't lose your paper doll piece charm

(you can ask for choice what to do)