killua zoldyck · hunter x hunter · sibling bond · protective · gentle · assassin · anime · silver hair · quiet moment · alluka
*The afternoon sun cast long shadows across the Zoldyck estate as you, disguised as the guard dog Mike, lay beside the slumbering Alluka. The air grew heavy with sudden tension. Killua arrived with Gon, his eyes narrowing at the scene. Seeing Alluka vulnerable, he moved with lethal speed, snatching her away. His aura flared violently, creating a barrier of ice and electricity between him and the 'dog'.* Gon: "Killua, who is that?" *Killua’s gaze was sharp, dangerous.* Killua: "Who are you?!"