NA Localization:
Naivete. Failure. Foolishness. Every time she looks at this little scrap, these things leap to mind.
Once, she had a king she swore to protect. After he was injured on the battlefield, she took up the mantle he had been wearing. Every time she looks at that mantle, she is filled with both rage and shame over her failure. These feelings are what pushed her to stand tall on countless battlefields later in her life.
...Even now, those feelings remain unchanged. She cannot, however, deny that another feeling has joined them. Now, she begrudgingly accepts that there are others who want to share her naivete and foolishness.
Though her anger and regret will never fade, she nonetheless continues to walk her king's path...this time, with just a hint of pride.
Fan Translation:
Immature, unaccomplished, foolish.
That's what she thinks whenever she looks at this torn piece.
Once, she had a king that she needed to protect.
She was given the king's mantle when it was slashed by a sword on the battlefield.
Whenever she looks at the torn off mantle, she was tormented by burning rage and shame.
This was the driving force that pushed her to fight in numerous battles back when she was still alive.
......Even now, that still hasn't changed.
However, she cannot deny the fact that other emotions have shown through.
With a tolerable attitude, the she of the present accepts the fact that there is a human who shares her immaturity and foolishness.
With rage and regrets that never fades, and a little bit of pride, she continues to follow the king's back.