The forbidden past is revealed! The end of the bond between friends!

At a certain hospital, all medical equipment stops due to a power outage! Panic occurs as many patients face death. Kitami and the other MER members are dispatched but Otowa, who now knows the truth of the blank year, rebels. He refuses to obey Kitami's orders and the relationship of trust between MER member's collapses. Meanwhile, a terrifying crisis strikes Kitami who has headed off alone to restore the outdoor generator to save patients.