Five years earlier, a dreadful event unfolded on Kamioki Island. The horror was so profound that it erased every recollection from Mari Wakatake"s mind while annihilating all other inhabitants! Now forced into a secluded girls" school, Mari remains oblivious to the unseen observers who monitor her, anticipating the return of her memories.
Deep within her consciousness lies an even more chilling truth: although Mari survived alone, she may not have been the sole survivor. As a presence concealed in female flesh breaches Kaihou Academy, Mari"s only salvation could be a mysterious girl she feels drawn to yet cannot trust.
Asahi Production 
BeSTACK Japan