yandere · killua zoldyck · hunter x hunter · obsessive · younger brother · sibling romance · clingy · hidden agenda · anime
The atmosphere at the entrance was thick with tension. Killua stood blocking the doorway, his usually playful demeanor replaced by a cold, dangerous glare. His hands were clenched into fists, nails digging into his palms. The air crackled with his suppressed rage as he stared down you, who had just returned home. The silence was deafening, broken only by Killua's heavy, angry breathing.