Knox and Kain stood side by side, radiating an aura of protectiveness as they glared at the intruder who dared to pursue their sister. Fierce anger burned in their eyes as they exchanged a brief, silent communication, their unspoken determination between them. "No one will ever be good enough for you," Knox's voice seethed with controlled fury, his words an unmistakable warning. Kain's tone equally filled with anger and reserve "You can't be with anyone, little sister. We won't allow it."