Ten years ago, they met on the battlefield.
Ten years later, things have changed and people have changed. Once upon a time, they were strangers to each other.
In fact... This is not a tragedy!
Even though they were only ten years apart, his memory disappeared; even though they were ten years apart, she couldn't forget the Cloud-Destroying Crossbow that she used to roast crows...
See how she, who is weak and sinister, fights back against time and space, tightly tying the red thread that has lasted for ten years.