Kidnapped and betrayed by one of her own. Suna is made to make a decision, she knows that her decision is the only one that can save her young assassin friends and free them from the torture they now live on a day to day basis.
A group of friends go to school everyday. However what they do not know is what happens to each other when the sunsets. Each friend has a darker side which collide with the other's. This darker world sends them into chaos as they plan attacks and hate their rivals. If their friends find out in the normal world of things then their cover would be blown and bad things could occur.