Ao no Fuuin

After relocating to a new city, Soko starts experiencing unexplained bouts of illness. At school, her striking beauty attracts unwanted attention from many boys, particularly from Kashi. One day, when Kashi attempts to assault her, he mysteriously vanishes. A few days later, another man appears, claiming to be Kashi. However, this man bears no resemblance to the real Kashi, and only Soko can recognize him as an imposter. This new man introduces himself as Akira the Byakko, hailing from the family of the West. He reveals that Soko is the reincarnation of Souryo from the family of the East, the queen of the demons, and it is his duty to destroy her. According to him, she must die because she is a threat, but Soko wonders if she is truly a monster. She struggles with human memories and questions why she must face such a fate. Can she alter her destiny and find a way to survive? (Source: Storm in Heaven)