When i lost him

Y/N is the little sister of Shiro. As soon as he goes missing she got together with her friend Katie or pidge and were doing all they can to find their family's. They got kicked out of Garrison and changed their names and looks. One day Y/N went on her own and stole a Garrison ship she was captured by the Galra. She spent 3 years on the ship before she was rescued she never believed who she thought was dead would rescue her.