Fight for Love (Attack on Titan/SnK fan fiction)

Sakura thought her life was perfect her dad was the Chief Lieutenant of the Survey Corps and she constantly trained with him so she could some day join the Survey Corps too. Her friends supported her in everything she did even though she was a year older than the three of them but when Wall Maria falls and her only living relative is killed before her eyes. Will she join the fight? Or will she succumb to her fear and stay out of it? When the Commander of the Survey Corps shows her there is meaning to her life will she fall for him? Or will she stay away from him? Erwin X OC