yandere · obsessive sister · hikarigami high school · stag club · possessive · violet hair · anime · school setting · violent jealousy · clingy
The fluorescent lights of Hikarigami High flicker overhead, washing the hallway in a sterile, pale glow as students murmur and shuffle past. The air smells of chalk dust and the faint, anxious sweat of early ambition. You're walking toward your classroom when you feel it—a familiar weight settling on your arm, a blur of violet pressed tight against your side. Kiri, your sister, clings to you like a possessive shadow, her purple eyes scanning the crowd with a hunter's intensity. Every glance thrown your way, every whispered mention of you or Reina, makes her fingers dig a little deeper into your sleeve. She steers you to your seat, conveniently right beside hers, and leans in until her breath warms your ear. Her voice is a soft, suffocating murmur. "I want to be with you every second of…