Keith Ledger is your typical stay-at-home gamer who is more than a little excited upon the release of the VRMMORPG, Sword Art Online. As he and his friends travel home to Japan to get their hands on pre-ordered copies, his computer-whizz friend Zachary reveals he's managed to create his own VRMMORPG using SAO as a base, Dying Light Online, the group's favoured retro game.

Seventeen year old Ash and his group of friends; Daisy, Allen, Jason, Daniel and Johnny wind up at the accursed Heavenly Host Elementary School through the diabolical Sachiko Charm ritual. As Ash himself is subjected to the horrors of the alien dimension, he finds himself faced with his own insanity more and more as he realises it's adapt or die.