Mika Kayama

Kidnapped in childhood. Raised as an assassin. Shiori's spent her entire life following the orders of her mysterious masters, never questioning the commands that have sentenced hundreds to die at her hands. But when a childhood memory suddenly resurfaces, the programming in her head is short circuited and her entire world is turned upside down! Now, before her masters realize she's slipped their leash, Shiori has to escape. But to do so means she must kill again... even the ones who are close to her!

Ayu, a young prostitute has lived a meaningless life until she met a young boy named Yoshiyuki. They met when an old lady who taught her the meaning of life passed away, only briefly telling her of her grandson, Yoshiyuki. Knowing that the old lady wished only to see her grandson but is unable to grant the old lady her wish, Ayu then thought that she could take care of Yoshiyuki for her. Ayu and Yoshiyuki, despite his heart problems and her dark past love each other to the fullest. However, life wasn't easy for the both of them. Yoshiyuki's father forbids their relationship and kept them away from each other. But Ayu sacrificed herself by becoming a prostitute once again to earn money for Yoshiyuki's operation and to keep her promise to the old woman who changed her life.

An eerie patient, Shima, appears to Haruna, a psychiatrist. "I have a nightmare." Haruna murmured Shima with hypnosis, but since that day Haruna has been suffering from her sleep disorders. Is the fierce incident that comes one after another a dream? Is it a reality? What is Shima?