The only one who calls her little sister is also the only one who hears her.
Everyone else can dismiss the hurt; that vow answers it with death, silence, and a price that will be paid.
Devotion runs just as far—her laughter is met with a heart given freely, and her desire is met with a surrender that already belongs to her.
If no one will stand up or speak, that same promise becomes the voice she was denied.
Those who caused her pain do not get to disappear from the reckoning.