Mikaela and Yuichiro are best friends at school, it's been like that for a long time. They barely left each others sides and had complete trust in one another. However, there was no denying that Mika was hiding strong feelings for his friend. The year 2020. The world gets hit by a terrible virus in which humans go into a coma-like state for months or even forever. People are advised to only stay out in the open when really necessary, but Yu wasn't having it. He decided he could go out whenever he wanted and therefore, ended up carrying the virus himself. Yuichiro is stuck in a coma. Everyday for months to come, Mika comes to see him in the hospital. While at the hospital, Mika has conversations with Yu as though he were conscious. He tells him about his days and what has been happening his life and even, the way he feels towards him.

Nicolette a normal teenage girl, or so she thought so, soon discovered that she is the legendary white crow. She go on this amazing adventure with a few friends, Hitome, Hayate, Yukito, and Mesamire, along with there leader Shino. To discover how the white crow came to be and how they can beat the demon king and his followers.