Yumi a 7 year old is forced everyday to train as if she was going to fight a war. She never knew her mother or remember meeting her. Her father trains her as an experiment and not his own daughter. She puts on a smile just like her father and does as her father wants. But one day a virus hits and she is forced into the back of a car with a group of a kids. She knows the kids from a park. She lives her life as livestock till one day she escapes. Running fast and hard she made it to her old house and found her dads secrets. She is now know as "The Mask". What will happen to Yumi? What side will she fight for? Will she find out what she really is? Will she meet Mika or Yuu ever again? Read to find out!! Warning: I do not own any character from ons so please don't say I do. The only character I own is Yumi, Yumi's father, Saki, Matthew, Matthias, Watson, and Warden.