In the 15th century, there was a girl was different from everyone. Her name is Mikoto Shinjiro, the daughter of Ryuu and Josephine Shinjiro. Her father was the son of the King of Angels and her mother was a mortal human. Her eyes were peach amber red as her father's and her light brown with blonde streak hair as her mother's. Many centuries passed. Miko never aged. But her parents died during the "The Great War". It was now the 21st century, Miko was a High school student, she was all alone. But everything changed when she met a mortal high school girl, Ember Romirez.