Khan, high school student, known as the most pretty girl in school, drawn into a supernatural event when she goes to the beach with his friends. This event, called "Red Night", includes an extremely massive transformed shark, which attacks Khan during a swim. Fortunately, the Yuyako and Juuto Camori brothers are saved, her school students who know everything about these events and even have AI support programs called Acacia on their tablet to help them. Soon after, Khan and the brothers participate in another event, this time with the participation of their precious pet parrot, transformed into something monstrous. With all these supernatural events, the life of Khan will never be the same.